Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the family or subfamily Auchenipteridae: [ 184 ] records

acsi, Spinipterus Akama [A.] & Ferraris [C. J., Jr.] 2011:53, Figs. 1-3 [Zootaxa No. 2992; ref. 31467] Caño "Santa Rita" (right bank tributary of river Nanay), 3.32 mi north-west of center of Iquitos, 3°45'23"S, 73°17'28"W, Maynas Province, Depto. Loreto, Peru. Holotype (unique): ANSP 178209. •Valid as Spinipterus acsi Akama & Ferraris 2011 -- (Birindelli 2014:535 [ref. 33501], Calegari et al. 2018:695 [ref. 36104], Calegari et al. 2019:[89] [ref. 36961], Rocha et al. 2019:249 [ref. 37162], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Spinipterus acsi Akama & Ferraris 2011. Auchenipteridae: Auchenipterinae. Distribution: South America: upper Amazon River basin (Peru and Brazil). Habitat: freshwater.

affinis, Auchenipterus (Pseudauchenipterus) Steindachner [F.] 1877:651 [93] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Rio São Matheus; Rio Mucury at Porto Allegre, southeastern Brazil. Syntypes: (several) NMW 47384-87 (2, 2, 2, 2). Type catalog: Ferraris 2007:76 [ref. 29155]. On p. 93 of separate. •Valid as Pseudauchenipterus affinis (Steindachner 1877) -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Birindelli 2014:535 [ref. 33501], Calegari et al. 2019:[92] [ref. 36961], Silva et al. 2020:9 [ref. 37809]). Current status: Valid as Pseudauchenipterus affinis (Steindachner 1877). Auchenipteridae: Auchenipterinae. Distribution: South America: Mucuri and São Mateus River basins (Brazil). Habitat: freshwater.

aguilerae, Silvaichthys Fernández-Yépez [A.] 1973:[4], Fig. [Evencias No. 29; ref. 14284] Gulfo de Paria, northeastern Venezuela, depth 2 fathoms. Syntypes: ANSP (4) originally as "Holotipo macho AFY 731.201, Holotipo hembra AFY 731.202, y los paratipos . AFY 731.203 (2)." but not found at ANSP. Type catalog: Ferraris 2007:76 [ref. 29155]. On fourth unnumbered page. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

akamai, Ageneiosus Ribeiro [F. R. V.], Rapp Py-Daniel [L. H.] & Walsh [S. J.] 2017:6, Figs. 2-3 [Journal of Fish Biology; ref. 35133] Rio Purus, Berurí, Amazonas, Brazil, 04°30'19"S, 62°03'50"W. Holotype: INPA 35104. Paratypes: ANSP, FMNH, INPA, MZUSP. Plus additional non-type material. •Valid as Ageneiosus akamai Ribeiro, Rapp Py-Daniel & Walsh 2017 -- (Calegari et al. 2019:[98] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Silvano et al. 2020:205 [ref. 38135]). Current status: Valid as Ageneiosus akamai Ribeiro, Rapp Py-Daniel & Walsh 2017. Auchenipteridae: Auchenipterinae. Distribution: South America: upper and middle Amazon River basin (Brazil). Habitat: freshwater.

akroa, Tatia Souza e Souza [J. de], Sarmento-Soares [L. M.], Canto [A. L. C.] & Ribeiro [F. R. V.] 2020:Figs. 1-5 [Neotropical Ichthyology v. 18 (no. 1) e190111; ref. 37455] Rio Perdida, rio Tocantins basin, Tocantins State, Brazil, 9°11'23.44"S, 47°15'59.14"W. Holotype: UFOPA-I 671. Paratypes: MZUSP 82349 (14), UFOPA-I 670 (1). •Valid as Tatia akroa Souza e Souza, Sarmento-Soares, Canto & Ribeiro 2020 -- (Ribeiro et al. 2022:11 [ref. 39328]). Current status: Valid as Tatia akroa Souza e Souza, Sarmento-Soares, Canto & Ribeiro 2020. Auchenipteridae: Centromochlinae. Distribution: Upper Tocantins River basin, Brazil. Habitat: freshwater.

akwe, Centromochlus Coelho [F. L.], Chamon [C. C.] & Sarmento-Soares [L. M.] 2021:150, Figs. 1-7 [Zootaxa 4950 (no. 1); ref. 38196] Javaés River, Ilha do Bananal, Pedral da Sanbaíba, Pium, Tocantins, Brazil, 10°00'01"S, 50°01'29"W. Holotype: MNRJ 51961. Paratypes: UNT. •Valid as Centromochlus akwe Coelho, Chamon & Sarmento-Soares 2021. Current status: Valid as Centromochlus akwe Coelho, Chamon & Sarmento-Soares 2021. Auchenipteridae: Centromochlinae. Distribution: South America: Tocantins-Araguaia River basin, Brazil. Habitat: freshwater.

albescens, Glanidium Lütken [C. F.] (ex Reinhardt) 1874:31 [3] [Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger og dets Medlemmers Arbeider (Kjøbenhavn) 1874 (no. 1); ref. 2855] Rio das Velhas, Minas Gerais State, Brazil. Syntypes: MNHN 0000-9571 [ex ZMUC] (1); NMW 46572 (1); ZMB 9176 (1); ZMUC 335-338 (4), 341-342 (2). Type catalog: Bertin & Estève 1950:18 [ref. 19575], Nielsen 1974:51 [ref. 9588], Burgess 1989:241 [ref. 12860], Royero & Hureau 1996:374 [ref. 22752], Ferraris 2007:75 [ref. 29155].. On p. 3 of separate. Also described in Lütken 1875:150 (and p. III of summary), Pl. 3 (fig. 5) [ref. 19674]. See Malabarba 1989:139 [ref. 14217]. •Valid as Glanidium albescens Lütken 1874 -- (Soares-Porto 1998:333 [ref. 23848], Britski 2001:20 [ref. 26046], Ferraris in Reis et al. 2003:475 [ref. 27061], Sarmento-Soares & Buckup 2005:846 [ref. 28476], Ferraris 2007:75 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Calegari et al. 2019:[81] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877]). Current status: Valid as Glanidium albescens Lütken 1874. Auchenipteridae: Centromochlinae. Distribution: Das Velhas River basin, Brazil. Habitat: freshwater.

albicrux, Trachycorystes Berg [C.] 1901:303 [Comunicaciones del Museo Nacional de Buenos Aires v. 1 (no. 9); ref. 14743] Río de la Plata, near the mouth of Río Santiago, Buenos Aires Province, Argentina. Holotype (unique): MACN 5161. Type catalog: Braga & Piacentino 1994:98 [ref. 23697], Ferraris 2007:79 [ref. 29155]. •Valid as Parauchenipterus albicrux (Berg 1901) -- (Burgess 1989:242 [ref. 12860]). •Valid as Trachelyopterus albicrux (Berg 1901) -- (Bertoletti et al. 1995:71 [ref. 21959], Ferraris in Reis et al. 2003:478 [ref. 27061], López et al. 2003:56 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:79 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Bertaco et al. 2016:416 [ref. 34561], Nión et al. 2016:33 [ref. 35565], Calegari et al. 2019:[90] [ref. 36961], Loureiro et al. 2023:122 [ref. 40506]). Current status: Valid as Trachelyopterus albicrux (Berg 1901). Auchenipteridae: Auchenipterinae. Distribution: South America: La Plata River basin (Argentina and Uruguay). Habitat: freshwater.

alta, Tympanopleura Eigenmann [C. H.] & Myers [G. S.] in Myers 1928:85 [Annals and Magazine of Natural History (Series 10) v. 2 (no. 7); ref. 3100] Iquitos, Río Marañon, Peru. Holotype: CAS 58258 [ex IU 1579]. Paratypes: ?CAS 58259 [ex IU 15977] (1). Type catalog: Ferraris 2007:69 [ref. 29155]. •Valid as Tympanopleura alta Eigenmann & Myers 1928 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus brevis Steindachner 1881 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155]). •Synonym of Tympanopleura brevis (Steindachner 1881). Current status: Synonym of Tympanopleura brevis (Steindachner 1881). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

altae, Centromochlus Fowler [H. W.] 1945:109, Figs. 7-10 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 97; ref. 1454] Río Caquetá drainage, Morelia, Colombia [probably Bodoquero River, near the town of Morelia]. Holotype: ANSP 71700. Paratypes: ANSP 71701-04 (4). Type catalog: Böhlke 1984:24 [ref. 13621], Ferraris 2007:73 [ref. 29155]. •Valid as Tatia altae (Fowler 1945) -- (Burgess 1989:242 [ref. 12860], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). •Synonym -- (see Soares-Porto 1998:333 [ref. 23848]). •Valid as Centromochlus altae Fowler 1945 -- (Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Sarmento-Soares et al. 2013:798 [ref. 33029], Barriga Salazar 2014:115 [ref. 35745], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:1 [ref. 33806] in subgenus Duringlanis Grant 2015, Birindelli et al. 2015:870 [ref. 33961], Sarmento-Soares et al. 2017:[9] [ref. 35115], DoNascimiento et al. 2017:85 [ref. 35633]). •Valid as Duringlanis altae (Fowler 1945) -- (Calegari et al. 2019:[79] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Duringlanis altae (Fowler 1945). Auchenipteridae: Centromochlinae. Distribution: South America: Colombia, Ecuador and Peru. Habitat: freshwater.

amblops, Felichthys Meek [S. E.] & Hildebrand [S. F.] 1913:77 [Field Museum of Natural History, Publications, Zoölogical Series v. 10 (no. 8); ref. 12295] Río Tuyra, Marriganti, Panama. Holotype: FMNH 7576. Paratypes: FMNH 26367-69 (1, 1, 1); USNM 78299 (4). Type catalog: Ibarra & Stewart 1987:36 [ref. 12367], Ferraris & Vari 1992:11 [ref. 19771], Ferraris 2007:79 [ref. 29155]. •Valid as Parauchenipterus amblops (Meek & Hildebrand 1913) -- (Burgess 1989:242 [ref. 12860]). •Valid as Trachelyopterus amblops (Meek & Hildebrand 1913) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus amblops (Meek & Hildebrand 1913). Auchenipteridae: Auchenipterinae. Distribution: Tuira River basin, Panama. Habitat: freshwater.

ambyiacus, Auchenipterus Fowler [H. W.] 1915:222, Fig. 6 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 67; ref. 1392] Ambyiacu [Ampiyacu] River, Ecuador [now Peru]. Holotype (unique): ANSP 21484. Type catalog: Böhlke 1984:24 [ref. 13621], Ferraris 2007:71 [ref. 29155]. •Synonym of Auchenipterus nuchalis (Spix & Agassiz 1829) -- (Burgess 1989:241 [ref. 12860]). •Valid as Auchenipterus ambyiacus Fowler 1915 -- (Ferraris & Vari 1999:400 [ref. 23953], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:71 [ref. 29155], Barriga Salazar 2014:115 [ref. 35745], Sarmiento et al. 2014:143, 189 [ref. 35004], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[96] [ref. 36961], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Auchenipterus ambyiacus Fowler 1915. Auchenipteridae: Auchenipterinae. Distribution: South America: upper and middle Amazon and Orinoco River basins and coastal rivers of Guyana (Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru and Venezuela). Habitat: freshwater.

analis, Trachycorystes Eigenmann [C. H.] & Eigenmann [R. S.] 1888:156 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] Lago Arari, Pará, Brazil. Holotype (unique): MCZ 7354. Type catalog: Ferraris 2007:80 [ref. 29155]. •Valid as Parauchenipterus analis (Eigenmann & Eigenmann 1888) -- (Burgess 1989:242 [ref. 12860]). •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). Auchenipteridae: Auchenipterinae. Distribution: Brazil. Habitat: freshwater.

anduzei, Trachelyopterichthys Ferraris [C. J., Jr.] & Fernandez [J.] 1987:257, Fig. 1 [Proceedings of the Biological Society of Washington v. 100 (no. 2); ref. 6805] Laguna de Carida at the mouth of Caño Carida, Río Orinoco, Territory Federal Amazonas, Venezuela. Holotype (unique): MBUCV-V-14627 [ex MAC-PAY-0311]. Type catalog: Provenzano et al. 1998:19 [ref. 24196], Ferraris 2007:78 [ref. 29155]. •Valid as Trachelyopterichthys anduzei Ferraris & Fernandez 1987 -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:78 [ref. 29155], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[87] [ref. 36961]). Current status: Valid as Trachelyopterichthys anduzei Ferraris & Fernandez 1987. Auchenipteridae: Auchenipterinae. Distribution: Orinoco River basin: Venezuela and Colombia. Habitat: freshwater.

apiaka, Ageneiosus Ribeiro [F. R. V.], Rapp Py-Daniel [L. H.] & Walsh [S. J.] 2017:13, Figs. 4-5 [Journal of Fish Biology; ref. 35133] Rio Tapajós, Rio Teles Pires, below Sete Quedas, Jacareacanga, Pará, Brazil, 09°18'42"S, 56°46'47"W. Holotype: MZUSP 99882. Paratypes: INPA, MZUSP. •Valid as Ageneiosus apiaka Ribeiro, Rapp Py-Daniel & Walsh 2017 -- (Calegari et al. 2019:[98] [ref. 36961], Silvano et al. 2020:206 [ref. 38135]). Current status: Valid as Ageneiosus apiaka Ribeiro, Rapp Py-Daniel & Walsh 2017. Auchenipteridae: Auchenipterinae. Distribution: South America: Tapajós River drainage (Pará, Brazil). Habitat: freshwater.

armatus, Ageneiosus Lacepède [B. G. E.] 1803:132, 133 [Histoire naturelle des poissons (Lacepède) v. 5; ref. 4930] Suriname and, possibly, "des Grandes Indes". No types known. Type catalog: Ferraris 2007:69 [ref. 29155]. •Valid as Ageneiosus armatus Lacepède 1803 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

atronasus, Ageneiosus Eigenmann [C. H.] & Eigenmann [R. S.] 1888:149 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] South America ("exact locality unknown"). Holotype (unique): MCZ 27270. Type catalog: Ferraris 2007:68 [ref. 29155]. •Valid as Ageneiosus atronasus Eigenmann & Eigenmann 1888 -- (Burgess 1989:286 [ref. 12860], Burgess & Finley 1996:167 [ref. 22901], Ferraris in Reis et al. 2003:471 [ref. 27061], Schraml 2005:20 [ref. 28585], Ferraris 2007:68 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:102 [ref. 30759], Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:141, 189 [ref. 35004]). •Valid as Tympanopleura atronasus (Eigenmann & Eigenmann 1888) -- (Walsh et al. 2015:13 [ref. 33781], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[98] [ref. 36961], Careaga et al. 2020:77 [ref. 37774], Hashimoto et al. 2020:[3] 16 [ref. 37940], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tympanopleura atronasus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Ecuador, Colombia and Peru). Habitat: freshwater.

aulopygius, Centromochlus Kner [R.] 1858:432 [62], Pl. 8 (fig. 25) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Rio Guaporé, Brazil. Syntypes: NMW 47329-33 (2, 2, 3, 3, 5), 47388 (1). Type catalog: Ferraris 2007:77 [ref. 29155]. On p. 62 of separate. •Valid as Tatia aulopygia (Kner 1858) -- (Mees 1988:407 [ref. 13382], Burgess 1989:242 [ref. 12860], Soares-Porto 1995:204 [ref. 21882], Soares-Porto 1998:333 [ref. 23848], Lasso et al. 2001:97 [ref. 25928], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:500 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Birindelli 2014:535 [ref. 33501], Vari & Calegari 2014:673 [ref. 33612], Sarmiento et al. 2014:145, 190 [ref. 35004], DoNascimiento et al. 2017:85 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia aulopygia (Kner 1858). Auchenipteridae: Centromochlinae. Distribution: Amazon River basin: Colombia, Brazil and Bolivia. Habitat: freshwater.

axillaris, Ageniosus Günther [A.] 1864:431 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Suriname. Holotype (unique): BMNH 1864.6.2.2. Original genus should have been Ageneiosus. •Valid as Ageneiosus axillaris Günther 1864 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

badeli, Trachycorystes insignis Dahl [G.] 1955:13, Fig. [Revista Linneana v. 1 (no. 1); ref. 19186] Cereté [Sinu River], Colombia. Holotype: whereabouts unknown, possibly ICNMHN. Paratypes: (1). Type catalog: Ferraris 2007:80 [ref. 29155]. •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). Auchenipteridae: Auchenipterinae. Distribution: Colombia. Habitat: freshwater.

barbonica, Laimumena Sauvage [H.-E.] 1884:147 [Bulletin de la Société philomathique de Paris (7th Série) v. 8; ref. 3898] Réunion [probably South America]. Not at MNHN. Type catalog: Ferraris 2007:432 [ref. 29155]. •Unidentifiable, in Ariidae, locality probably erroneous (Fricke 1999:84 [ref. 24106]). •Species inquirenda in family Auchenipteridae -- (Ferraris in Reis et al. 2003:479 [ref. 27061]). •Species inquirenda in Siluriformes -- (Ferraris 2007:432 [ref. 29155]). Auchenipteridae.

barranquenensis, Ageneiosus Risso [F. J. J.] & Risso [E. N. P. de] 1964:11, Pl. 2 (figs. 1-3) [Notas del Museo de Ciencias Naturales del Chaco v. 1 (no. 1); ref. 21160] Mouth of River Negro in River Barranqueras, Argentina. Holotype (unique): MCNCHACO 11, III-63. Type catalog: Ferraris 2007:69 [ref. 29155]. Originally as "Ageneiosus barranquerensis n. sp.?" •Questionably a synonym of Ageneiosus marmoratus Eigenmann 1912 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

barthemi, Tetranematichthys Peixoto [L. A. W.] & Wosiacki [W. B.] 2010:70, Figs. 1-3, 5a [Neotropical Ichthyology v. 8 (no. 1); ref. 30757] Oriximiná, rio Araticum, rio Trombetas basin, 1°45'34.7"S, 56°22'35.5"W, Pará, Brazil. Holotype: MPEG 11081. Paratypes: INPA 14163 (1); MPEG 11013 (2), 14565 (1). •Valid as Tetranematichthys barthemi Peixoto & Wosiacki 2010 -- (Calegari et al. 2019:[97] [ref. 36961]). Current status: Valid as Tetranematichthys barthemi Peixoto & Wosiacki 2010. Auchenipteridae: Auchenipterinae. Distribution: Lower Amazon River basin, Brazil. Habitat: freshwater.

batrachus, Asterophysus Kner [R.] 1858:403 [33], Pl. 5 (figs. 13-15) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Marabitanos, Brazil. Syntypes: NMW 47515-16 (1, 1). Type catalog: Ferraris 2007:70 [ref. 29155]. On p. 33 of separate. •Valid as Asterophysus batrachus Kner 1858 -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155] dated 1857 Birindelli 2014:535 [ref. 33501], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[91] [ref. 36961]). Current status: Valid as Asterophysus batrachus Kner 1858. Auchenipteridae: Auchenipterinae. Distribution: Orinoco and Negro River basins: Brazil, Colombia and Venezuela. Habitat: freshwater.

benjamini, Entomocorus Eigenmann [C. H.] 1917:403, Pl. 41 [Annals of the Carnegie Museum v. 11 (nos 3-4) (art. 14); ref. 1235] San Joaquin, Bolivia. Holotype: FMNH 58109 [ex CM 7006]. Paratypes: FMNH 58020 (6), 57790 (3). Type catalog: Henn 1928:73 [ref. 12305], Ibarra & Stewart 1987:34 [ref. 12367], Ferraris 2007:74 [ref. 29155]. •Valid as Entomocorus benjamini Eigenmann 1917 -- (Burgess 1989:241 [ref. 12860], Chang & Ortega 1995:4 [ref. 24302], Britski et al. 1999:113 [ref. 24147], Lasso et al. 2001:97 [ref. 25928], Ferraris in Reis et al. 2003:474 [ref. 27061], Akama & Ferraris 2003:77 [ref. 27321], Reis & Borges 2006:414 [ref. 28794], Ferraris 2007:74 [ref. 29155], Sarmiento et al. 2014:189 [ref. 35004], DoNascimiento 2016:538 [ref. 34727], Calegari et al. 2019:[93] [ref. 36961]). Current status: Valid as Entomocorus benjamini Eigenmann 1917. Auchenipteridae: Auchenipterinae. Distribution: Upper Madeira River basin, Bolivia, Brazil and ? Venezuela. Habitat: freshwater.

blohmi, Epapterus Vari [R. P.], Jewett [S. L.], Taphorn [D. C.] & Gilbert [C. R.] 1984:463, Figs. 1, 6 [Proceedings of the Biological Society of Washington v. 97 (no. 2); ref. 5261] Laguna Los Guácimos, Fundo Pecuario Masaguaral, 8°34'N, 67°35'W, Guarico State, Venezuela. Holotype: MBUCV-V-14100. Paratypes: AMNH 55201 [not 55210] (2); ANSP 152045 (2); BMNH 1983.9.20.1-3 (3); FMNH 94854 (2); MBUCV-V-14101 and 02 (3, 5); MCNG 3760 (5); UF 32119 (9); USNM 260637 (6 [not 7], 2 c&s), 260638 (8, 3 c&s). Non-types: MCNG (2 lots, 9); USNM (3 lots, 94). Type catalog: Ibarra & Stewart 1987:34 [ref. 12367], Ferraris & Vari 1992:11 [ref. 19771], Provenzano et al. 1998:8 [ref. 24196], Ferraris 2007:74 [ref. 29155]. •Valid as Epapterus blohmi Vari, Jewett, Taphorn & Gilbert 1984 -- (Burgess 1989:241 [ref. 12860], Vari & Ferraris 1998:1004 [ref. 23503], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:74 [ref. 29155], Calegari et al. 2019:[95] [ref. 36961]). Current status: Valid as Epapterus blohmi Vari, Jewett, Taphorn & Gilbert 1984. Auchenipteridae: Auchenipterinae. Distribution: Orinoco River basin and Tuy River of Caribbean coast of Venezuela. Habitat: freshwater.

bockmanni, Glanidium Sarmento-Soares [L. M.] & Buckup [P. A.] 2005:847, Figs. 1-3 [Copeia 2005 (no. 4); ref. 28476] Rio São Francisco, downstream from Três Marias Dam, Minas Gerais State, Brazil. Holotype: MZUSP 82803. Paratypes: MNRJ 25798 (1); MZUSP 36976 (1), 82351 (8, 1 c&s). Type catalog: Ferraris 2007:75 [ref. 29155]. •Valid as Glanidium bockmanni Sarmento-Soares & Buckup 2005 -- (Ferraris 2007:75 [ref. 29155]). •Valid as Centromochlus bockmanni (Sarmento-Soares & Buckup 2005) -- (Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Sarmento-Soares & Birindelli 2015:83 [ref. 33780], Grant 2015:2 [ref. 33806], Birindelli et al. 2015:872 [ref. 33961], Sarmento-Soares et al. 2017:[9] [ref. 35115]). •Valid as Tatia bockmanni (Sarmento-Soares & Buckup 2005) -- (Calegari et al. 2019:[82] [ref. 36961], Silva et al. 2020:9 [ref. 37809], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia bockmanni (Sarmento-Soares & Buckup 2005). Auchenipteridae: Centromochlinae. Distribution: South America: São Francisco River basin (Minas Gerais and Bahia, Brazil). Habitat: freshwater.

boemia, Tatia Koch [W. R.] & Reis [R. E.] 1996:86, Fig. 2 [Ichthyological Exploration of Freshwaters v. 7 (no. 1); ref. 22214] Rio Pelotas, tributary of the Rio Uruguai, road Anita Garibaldi to Pinhal da Serra, about 27°47'S, 51°11'W, Esmeralda, Rio Grande do Sul, Brazil. Holotype: MCP 17438. Paratypes: CAS 82215 (2), MCN 10727 (5), MCP 12949 (13), MZUSP 47921 (2). Type catalog: Ferraris 2007:77 [ref. 29155]. •Valid as Tatia boemia Koch & Reis 1996 -- (Soares-Porto 1998:333 [ref. 23848], Burgess & Finley 1996:166 [ref. 22901], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:504 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Zarucki et al. 2010:192 [ref. 34811], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Vari & Calegari 2014:673 [ref. 33612], Litz & Koerber 2014:18 [ref. 33622], Bertaco et al. 2016:416 [ref. 34561], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Loureiro et al. 2023:121 [ref. 40506]). Current status: Valid as Tatia boemia Koch & Reis 1996. Auchenipteridae: Centromochlinae. Distribution: South America: upper Uruguay River drainage (Brazil and Uruguay). Habitat: freshwater.

botocudo, Glanidium Sarmento-Soares [L. M.] & Martins-Pinheiro [R. F.] 2013:267, Figs. 1-5 [Neotropical Ichthyology v. 11 (no. 2); ref. 32754] Minas Gerais state, Nanuque, rio Mucuri, downstream from Santa Clara Dam, ca. 17°53'28"S, 40°12'58"W, Brazil. Holotype: MNRJ 32538. Paratypes: DZUFMG 47 (1), 48 (1) 49 (1); MBMI 2047 (2); MNRJ 31460 (2), 32539 (1 c&s). •Valid as Glanidium botocudo Sarmento-Soares & Martins-Pinheiro 2013 -- (Calegari et al. 2019:[81] [ref. 36961], Silva et al. 2020:9 [ref. 37809], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877]). Current status: Valid as Glanidium botocudo Sarmento-Soares & Martins-Pinheiro 2013. Auchenipteridae: Centromochlinae. Distribution: South America: upper Doce and Macuri River basins (Brazil). Habitat: freshwater.

brachyurus, Euanemus Cope [E. D.] 1878:676 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Peruvian Amazon. Holotype (unique): ANSP 21552. Type catalog: Böhlke 1984:24 [ref. 13621], Ferraris 2007:72 [ref. 29155]. •Valid as Auchenipterus brachyurus (Cope 1878) -- (Ortega & Vari 1986:13 [ref. 9708], Ferraris & Vari 1999:406 [ref. 23953], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155], Barriga Salazar 2014:115 [ref. 35745], Sarmiento et al. 2014:143, 189 [ref. 35004], see DoNascimiento et al. 2017:[22] [ref. 35679], Calegari et al. 2019:[96] [ref. 36961], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Auchenipterus brachyurus (Cope 1878). Auchenipteridae: Auchenipterinae. Distribution: South America: upper Amazon River basin (Bolivia, Brazil, Ecuador and Peru). Habitat: freshwater.

brevibarbis, Auchenipterus Cope [E. D.] 1878:676 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Peruvian Amazon. Holotype (unique): ANSP 21519. Type catalog: Böhlke 1984:24 [ref. 13621], Ferraris 2007:80 [ref. 29155]. •Valid as Trachycorystes brevibarbis (Cope 1878) -- (Ortega & Vari 1986:14 [ref. 9708] as brevibarbus). •Valid as Parauchenipterus brevibarbis (Cope 1878) -- (Burgess 1989:242 [ref. 12860] as brevibarbus). •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). Auchenipteridae: Auchenipterinae. Distribution: Upper Amazon River basin, Peru. Habitat: freshwater.

brevifilis, Ageneiosus Valenciennes [A.] in Cuvier & Valenciennes 1840:242 [Histoire naturelle des poissons v. 15; ref. 1008] Suriname. Holotype (unique): RMNH 2975 (larger of 2). Type catalog: Ferraris 2007:69 [ref. 29155]. For information on type and locality see Boeseman 1972:303 [ref. 19698]. •Valid as Ageneiosus brevifilis Valenciennes 1840 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:286 [ref. 12860], Gómez & Chebez 1996:61 [ref. 23791], Burgess & Finley 1996:167 [ref. 22901], Sverlij et al. 1998:44 [ref. 27632], Britski et al. 1999:94 [ref. 24147], Le Bail et al. 2000:54 [ref. 24549], Lasso et al. 2001:97 [ref. 25928], López et al. 2003:57 [ref. 27366], Menni 2004:83 [ref. 28131]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

brevior, Auchenipterus Eigenmann [C. H.] 1912:202 [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Tumatumari, Guyana. Holotype: FMNH 53249 [ex CM 1715]. Paratypes: (20) BMNH 1911.10.31.97-98 (2); CAS 52135 [IU 12092 & 12108] (5); CAS-SU 21934 (1, missing in 1995); FMNH 7403 (1), 53250 (3), 69686 (2); MCZ 30190 [ex CM 1716b] (1),;NMW 47389 (1); USNM 66102 [ex CM] (1); ZMA 104668 (1). Type catalog: Henn 1928:73 [ref. 12305], Böhlke 1953:42 [ref. 12291], Nijssen et al. 1982:39 [ref. 19236], Ibarra & Stewart 1987:14 [ref. 12367], Ferraris & Vari 1992:11 [ref. 19771], Ferraris 2007:72 [ref. 29155]. •Synonym of Auchenipterus nuchalis (Spix & Agassiz 1829) -- (Burgess 1989:241 [ref. 12860]). •Valid as Auchenipterus brevior Eigenmann 1912 -- (Ferraris & Vari 1999:400 [ref. 23953], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155], Calegari et al. 2019:[96] [ref. 36961]). Current status: Valid as Auchenipterus brevior Eigenmann 1912. Auchenipteridae: Auchenipterinae. Distribution: Potaro River basin, Guyana. Habitat: freshwater.

brevis, Ageneiosus Steindachner [F.] 1881:16 [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 44 (in 1882); ref. 14299] Amazon River at Coary and Hyavary, Brazil. Syntypes: (4) NMW 47801 (2). Type catalog: Ferraris 2007:69 [ref. 29155]. Species not included in earlier abstract [ref. 20484]. •Valid as Ageneiosus brevis Steindachner 1881 -- (Burgess 1989:286 [ref. 12860], Burgess & Finley 1996:167 [ref. 22901], Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:102 [ref. 30759], Barriga Salazar 2014:115 [ref. 35745] as cf. brevis, Sarmiento et al. 2014:141, 189 [ref. 35004]). •Valid as Tympanopleura brevis (Steindachner 1881) -- (Walsh et al. 2015:19 [ref. 33781], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[98] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tympanopleura brevis (Steindachner 1881). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Bolivia, Brazil, ?Ecuador, Colombia and Peru). Habitat: freshwater.

britskii, Auchenipterus Ferraris [C. J., Jr.] & Vari [R. P.] 1999:414, Figs. 10-11 [Zoological Journal of the Linnean Society v. 126 (no. 4); ref. 23953] Lago Janauacá, vicinity of Rio Solimões, about 3°28'S, 60°17'W. Holotype: MZUSP 48358. Paratypes: MCZ 52585 (5); MZUSP 30608 (2), 48787-88 (1, 1), 52054 [ex MZUSP 48358] (2); USNM 308305 (1). Type catalog: Ferraris 2007:72 [ref. 29155]. •Valid as Auchenipterus britskii Ferraris & Vari 1999 -- (Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155], Sarmiento et al. 2014:143, 189 [ref. 35004], Calegari et al. 2019:[96] [ref. 36961], Bogotá-Gregory et al. 2020:1403 [ref. 37878]). Current status: Valid as Auchenipterus britskii Ferraris & Vari 1999. Auchenipteridae: Auchenipterinae. Distribution: South America: Middle and western Amazon River basin (Brazil, Colombia and Bolivia). Habitat: freshwater.

britskii, Centromochlus Sarmento-Soares [L. M.] & Birindelli [J. L. O.] 2015:80, Figs. 1-6 [Neotropical Ichthyology v. 13 (no. 1) (for Jan.-Mar.); ref. 33780] São Paulo, rio Paraná basin (now the UFE Ilha Solteira upper rio Paraná), approx. 20°18'S, 51°10'W, Brazil. Holotype: MZUSP 115271. Paratypes: MNRJ, MZUSP. •Valid as Centromochlus britskii Sarmento-Soares & Birindelli 2015 -- (Grant 2015:2 [ref. 33806], but a valid subgenus Balroglanis Grant 2015, Sarmento-Soares et al. 2017:[9] [ref. 35115]). •Valid as Tatia britskii (Sarmento-Soares & Birindelli 2015) -- (Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Ribeiro et al. 2022:11 [ref. 39328]). Current status: Valid as Tatia britskii (Sarmento-Soares & Birindelli 2015). Auchenipteridae: Centromochlinae. Distribution: Rio Paraná basin, southwest Brazil. Habitat: freshwater.

brunnea, Tatia Mees [G. F.] 1974:84, Fig. 10d, 21 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Compagnia Creek, Suriname. Holotype: RMNH 26196. Paratypes: AMNH 58390 (3); RMNH 26197-98 (3, 4); ZMA 105526 (4), 105847 (5), 105849 (7), 105851 (16), 105860 (1). Type catalog: Nijssen et al. 1982:62-63 [ref. 19236], Ferraris 2007:77 [ref. 29155]. •Valid as Tatia brunnea Mees 1974 -- (Mees 1988:411 [ref. 13382], Burgess 1989:242 [ref. 12860], Soares-Porto 1998:333 [ref. 23848], Le Bail et al. 2000:66 [ref. 24549], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:507 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Vari & Calegari 2014:673 [ref. 33612], Calegari et al. 2019:[82] [ref. 36961], Bogotá-Gregory et al. 2020:1403 [ref. 37878], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia brunnea Mees 1974. Auchenipteridae: Centromochlinae. Distribution: Coastal river basins in northern Brazil and Amazon basin, French Guiana, Suriname, Brazil and Colombia. Habitat: freshwater.

caerulescens, Pimelodus Lacepède [B. G. E.] 1803:95, 103 [Histoire naturelle des poissons (Lacepède) v. 5; ref. 4930] Cayenne, French Guiana. Type catalog: Ferraris 2007:81 [ref. 29155]. Spelled coerulescens on p. 103. •Species inquirenda in family Auchenipteridae -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:81 [ref. 29155]). Auchenipteridae. Habitat: freshwater.

carolae, Tatia Vari [R. P.] & Ferraris [C. J., Jr.] 2013:396, Fig. 1 [Copeia 2013 (no. 3); ref. 32917] Cuyuni-Mazaruni, Cuyuni River, sand island in middle of river just downstream from Kurutuku, 6°54'N, 60°18'W, Guyana. Holotype: USNM (CSBD) 401514. Paratypes: USNM (CSBD) 408386 (1), 408387 (1), 401511 (1). •Valid as Tatia carolae Vari & Ferraris 2013 -- (Vari & Calegari 2014:667 [ref. 33612]). •Valid as Balroglanis carolae (Vari & Ferraris 2013) -- (Calegari et al. 2019:[80] [ref. 36961]). •Valid as Centromochlus carolae (Vari & Ferraris 2013) -- (Grant 2015:3 [ref. 33806] in subgenus Sauronglanis Grant 2015, Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196]). Current status: Valid as Centromochlus carolae (Vari & Ferraris 2013). Auchenipteridae: Centromochlinae. Distribution: Cuyuni River drainage, Guyana and possibly upper Essequibo River. Habitat: freshwater.

catharinensis, Glanidium Miranda Ribeiro [P. de] 1962:3, Fig. 2 [Boletim do Museu Nacional, Zoologia (N. S.) No. 240; ref. 6333] Rio do Braço do Norte, São Ludgero, Municipio de Tubarão, Santa Catarina State, Brazil. Holotype (unique): MNRJ 5169. Type catalog: Miranda Ribeiro 1962:10 [ref. 22043], Ferraris 2007:75 [ref. 29155]. •Synonym -- (see Soares-Porto 1998:333 [ref. 23848]). •Valid as Glanidium catharinensis Miranda Ribeiro 1962 -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:475 [ref. 27061], Sarmento-Soares & Buckup 2005:846 [ref. 28476], Ferraris 2007:75 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Calegari et al. 2019:[81] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877]). Current status: Valid as Glanidium catharinensis Miranda Ribeiro 1962. Auchenipteridae: Centromochlinae. Distribution: Tubarão River basin, Santa Catarina State, Brazil. Habitat: freshwater.

caucanus, Ageneiosus Steindachner [F.] 1880:61 [9], Pl. 6 (figs. 1-1a) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 42; ref. 14403] Río Cauca, Colombia. Syntypes: (several) NMW 47811 (2). Type catalog: Ferraris 2007:70 [ref. 29155]. On p. 9 of separate. •Valid as Ageneiosus caucanus Steindachner 1880 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus pardalis Lütken 1874 -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Ribeiro et al. 2017:59 [ref. 35133]). Current status: Synonym of Ageneiosus pardalis Lütken 1874. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

caudosignata, Tatia DoNascimiento [C.], Albornoz-Garzón [J. G.] & García-Melo [J. E.] 2019:36, Figs. 1-7 [Ichthyological Exploration of Freshwaters v. 29 (no. 1) IEF-1103; ref. 36533] Quebrada Sufragio in front of the Reserva Biológica El Zafire, Letitia, Amazon River basin, Amazonas Department, Colombia, 04°00'19"S, 69°53'55"W. Holotype: IAVHP 17812. Paratypes: IAVHP. •Valid as Tatia caudosignata DoNascimiento, Albornoz-Garzón & García-Melo 2019 -- (Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia caudosignata DoNascimiento, Albornoz-Garzón & García-Melo 2019. Auchenipteridae: Centromochlinae. Distribution: Colombian Amazon, Upper Amazon basin, Colombia. Habitat: freshwater.

caxiuanensis, Tatia Sarmento-Soares [L. M.] & Martins-Pinheiro [R. F.] 2008:510, Figs. 16-18 [Neotropical Ichthyology v. 6 (no. 3); ref. 29857] Município de Melgaço, Estação Cientifica Pena, Curuá River, Caxiuanã, 1°44'53"S, 51°27'13"W, Pará, Brazil. Holotype: MPEG 9859. Paratypes: MNRJ 28821 (2), MPEG 6201 (7, 1c&s). •Valid as Tatia caxiuanensis Sarmento-Soares & Martins-Pinheiro 2008 -- (Pavanelli & Bifi 2009:200 [ref. 30255], Vari & Calegari 2014:673 [ref. 33612], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia caxiuanensis Sarmento-Soares & Martins-Pinheiro 2008. Auchenipteridae: Centromochlinae. Distribution: Curuá River, lower Amazon basin, Pará, Brazil. Habitat: freshwater.

ceratophysus, Auchenipterus Kner [R.] 1858:427 [57], Pl. 7 (fig. 23) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Mato Grosso, Rio Guaporé, Rio Branco, and Rio Negro, Brazil. Syntypes: NMW 47390-93 (1, 1, 1, 1), 50585 (1). Type catalog: Ferraris 2007:79 [ref. 29155]. On p. 57 of separate. •Valid as Trachelyopterus ceratophysus (Kner 1858) -- (Bertoletti et al. 1995:71 [ref. 21959], Ferraris in Reis et al. 2003:478 [ref. 27061], López et al. 2003:56 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:79 [ref. 29155], Sarmiento et al. 2014:146, 190 [ref. 35004], Mirande & Koerber 2015:30 [ref. 35117], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus ceratophysus (Kner 1858). Auchenipteridae: Auchenipterinae. Distribution: Paraná, Guaporé, Branco and Negro River basins: Argentina, Brazil and Bolivia. Habitat: freshwater.

cesarpintoi, Glanidium Ihering [R. von] 1928:46, Fig. 1 [Boletim Biologico, Trabalho do Laboratorio de Parasitologia da Facultade de Medicina de São Paulo v. 12 (no. 48); ref. 13841] Cachoeira de Emas, Pirassununga, Rio Mogy-guassú, São Paulo State, Brazil. Syntypes: (3) whereabout unknown. Type catalog: Ferraris 2007:75 [ref. 29155]. •Valid as Glanidium cesarpintoi Ihering 1928 -- (Soares-Porto 1998:333 [ref. 23848], Ferraris in Reis et al. 2003:475 [ref. 27061], Sarmento-Soares & Buckup 2005:846 [ref. 28476], Ferraris 2007:75 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Calegari et al. 2019:[81] [ref. 36961], Reis et al. 2020:464 [ref. 38364], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877]). Current status: Valid as Glanidium cesarpintoi Ihering 1928. Auchenipteridae: Centromochlinae. Distribution: South America: Mogi-guassú River basin, Sao Paulo State (Brazil). Habitat: freshwater.

chaquensis, Epapterus Risso [F. J. J.] & Risso [E. N. P. de] 1962:5, Figs. 1-3 [Notas Biologicas de la Facultad de Ciencias Exactas, Fisicas y Naturales, Corrientes, Zoologia No. 3; ref. 6369] Near Resistencia, Chaco Province, Argentina. Holotype: Univ. Nac. del Noredeste 17/VII/961-1. Paratypes: Univ. Nac. del Noredeste 17/VII/961-2-5 (4). Type catalog: Ferraris 2007:74 [ref. 29155]. •Valid as Epapterus chaquensis Risso & Risso 1962 -- (Burgess 1989:241 [ref. 12860], Britski et al. 1999:113 [ref. 24147]). •Synonym of Epapterus dispilurus Cope 1878 -- (Vari & Ferraris 1998:992 [ref. 23503], Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris 2007:74 [ref. 29155], Mirande & Koerber 2015:30 [ref. 35117], Koerber et al. 2017:46 [ref. 35267]). Current status: Synonym of Epapterus dispilurus Cope 1878. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

colymbetes, Euanemus Müller [J. W. von] & Troschel [F. H.] in Müller 1842:320 [Archiv für Anatomie, Physiologie, und wissenschaftliche Medicin (J. Müller) v. 9 [1842]; ref. 19677] Suriname. Lectotype: ZMB 3095. Paralectotypes: ZMB ?3094 (1). Type catalog: Ferraris 2007:72 [ref. 29155]. Lectotype selected by Ferraris & Vari 1999:423 [ref. 23953]. Also described in Müller 1842:203 [ref. 3062], in Müller 1943:318 [ref. 3063], and in Müller & Troschel 1849:11, Pl. 1 (fig. 2) [ref. 3073]. •Synonym of Auchenipterus dentatus Valenciennes 1840 -- (Ferraris & Vari 1999:400 [ref. 23953], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155]). Current status: Synonym of Auchenipterus dentatus Valenciennes 1840. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

concolor, Tatia Mees [G. F.] 1974:84, Figs. 10g, 22 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Headwaters of Coppename River, 3°49'N, 56°57'W, Suriname. Holotype: ZMA 106210. Paratypes: ZMA 106209 (2). Type catalog: Nijssen et al. 1982:63 [ref. 19236], Ferraris 2007:73 [ref. 29155]. •Valid as Centromochlus concolor (Mees 1974) -- (Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:281 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:2 [ref. 33806] in subgenus Balroglanis Grant 2015, Sarmento-Soares et al. 2017:[9] [ref. 35115]). •Valid as Tatia concolor Mees 1974 -- (Burgess 1989:242 [ref. 12860], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia concolor Mees 1974. Auchenipteridae: Centromochlinae. Distribution: Coppename River basin, Suriname. Habitat: freshwater.

coracoideus, Trachycorystes Eigenmann [C. H.] & Allen [W. R.] 1942:120 [Fishes of western South America; ref. 1246] Iquitos, upper Amazon, Peru. Syntypes: CAS 63746 [ex IU 15974] (3). Type catalog: Ferraris 2007:71 [ref. 29155]. •Valid as Auchenipterichthys coracoideus (Eigenmann & Allen 1942) -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris et al. 2005:91 [ref. 28560], Ferraris 2007:71 [ref. 29155], Barriga Salazar 2014:115 [ref. 35745], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[86] [ref. 36961], Silvano et al. 2020:210 [ref. 38135], Koerber et al. 2022:56 [ref. 39235], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Auchenipterichthys coracoideus (Eigenmann & Allen 1942). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Brazil, Ecuador, Colombia and Peru). Habitat: freshwater.

coriaceus, Trachelyopterus Valenciennes [A.] in Cuvier & Valenciennes 1840:220, Pl. 438 [Histoire naturelle des poissons v. 15; ref. 1008] Cayenne, French Guiana. Holotype (unique): MNHN B-0242. Type catalog: Bertin & Estève 1950:16 [ref. 19575], Royero & Hureau 1996:374 [ref. 22752], Ferraris 2007:79 [ref. 29155]. •Valid as Trachelyopterus coriaceus Valenciennes 1840 -- (Burgess 1989:242 [ref. 12860], Britski et al. 1999:114 [ref. 24147], Le Bail et al. 2000:72 [ref. 24549], Lasso et al. 2001:97 [ref. 25928], Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155], Akama & Ferraris 2011:59 [ref. 31467], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:146, 190 [ref. 35004], Melo et al. 2016:134 [ref. 34701], Calegari et al. 2019:[90] [ref. 36961], Dickens 2019:171 [ref. 37135] as cf. coriaceus). Current status: Valid as Trachelyopterus coriaceus Valenciennes 1840. Auchenipteridae: Auchenipterinae. Distribution: South America: coastal rivers of the Guianas and Brazil and Amazon River basin (Brazil, Bolivia and French Guiana). Habitat: freshwater.

cratensis, Trachycorystes Miranda Ribeiro [A. de] 1937:55 [O Campo Rio de Janeiro No. 1; ref. 5025] Rio Granjeiro, Crato, Ceará, Brazil. Holotype (unique): MNRJ 947. Type catalog: Miranda Ribeiro 1955:407 [ref. 12732], Ferraris 2007:80 [ref. 29155]. •Valid as Trachycorystes cratensis Miranda Ribeiro 1937 -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). •Valid as Trachelyopterus cratensis (Miranda Ribeiro 1937) --- (Britski & Akama 2011:274 [ref. 31386], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus cratensis (Miranda Ribeiro 1937). Auchenipteridae: Auchenipterinae. Distribution: Granjeiro River basin in Ceará State, Brazil. Habitat: freshwater.

creutzbergi, Centromochlus Boeseman [M.] 1953:7, Fig. 1c [Zoologische Mededeelingen (Leiden) v. 32 (no. 1); ref. 12684] Djaikreek [Djao Creek], Suriname. Holotype (unique): RMNH. Type catalog: Ferraris 2007:77 [ref. 29155]. •Synonym of Tatia gyrina (Eigenmann & Allen 1942) -- (Sarmento-Soares & Martins-Pinheiro 2008:519 [ref. 29857], Sarmento-Soares & Martins-Pinheiro 2020:140 [ref. 37877]). •Valid as Tatia creutzbergi (Boeseman 1953) -- (Mees 1988:410 [ref. 13382], Burgess 1989:242 [ref. 12860], Soares-Porto 1995:205 [ref. 21882], Chang & Ortega 1995:4 [ref. 24302], Soares-Porto 1998:333 [ref. 23848], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:77 [ref. 29155], Calegari et al. 2019:[82] [ref. 36961]). Current status: Valid as Tatia creutzbergi (Boeseman 1953). Auchenipteridae: Centromochlinae. Distribution: Suriname coastal rivers and Cudajas: Suriname and northern Brazil. Habitat: freshwater.

cryptica, Tympanopleura Walsh [S. J.], Ribeiro [F. R. V.] & Rapp Py-Daniel [L. H.] 2015:24, Figs. 1c, 6d, 13 [Neotropical Ichthyology v. 13 (no. 1); ref. 33781] Loreto, río Solimões drainage, río Orosa, mouth of Tonche Cano, 69.4 mi east of Iquitos, about 3°47'26"S, 73°14'50"W, Peru. Holotype: MUSM 47102 (ex INHS 40163). Paratypes: ANSP, CAS, IPA, INPA, INHS, MHNG. Plus non-type material. •Valid as Tympanopleura cryptica Walsh, Ribeiro & Rapp Py-Daniel 2015 -- (Calegari et al. 2019:[98] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tympanopleura cryptica Walsh, Ribeiro & Rapp Py-Daniel 2015. Auchenipteridae: Auchenipterinae. Distribution: South America: western Amazon basin (Brazil and Peru). Habitat: freshwater.

cucuhyensis, Pseudepapterus Böhlke [J. E.] 1951:38, Fig. 1 [Stanford Ichthyological Bulletin v. 4 (no. 1); ref. 12424] Sandbank at Cucuhy [Cucuí], Colombian border, Rio Negro, Brazil. Holotype (unique): CAS-SU 16788. Type catalog: Böhlke 1953:42 [ref. 12291], Ferraris 2007:76 [ref. 29155]. •Valid as Pseudepapterus cucuhyensis Böhlke 1951 -- (Burgess 1989:241 [ref. 12860], Ferraris & Vari 2000:101 [ref. 24437], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Birindelli 2014:535 [ref. 33501], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[94] [ref. 36961]). Current status: Valid as Pseudepapterus cucuhyensis Böhlke 1951. Auchenipteridae: Auchenipterinae. Distribution: Amazon and Negro River basins, Brazil and Colombia. Habitat: freshwater.

dantei, Auchenipterichthys Soares-Porto [L. M.] 1994:282, Fig. 3 [Ichthyological Exploration of Freshwaters v. 5 (no. 3); ref. 21570] Rio Negro, 3°07'S, 60°26'W, Paricatuba, Amazonas, Brazil. Holotype: MZUSP 43332. Paratypes: MNRJ 12356 (1), 12357 (1, c&s); MZUSP 31269 (1), 43137 (4), 44070 (1, c&s). Type catalog: Ferraris 2007:71 [ref. 29155]. •Valid as Auchenipterichthys dantei Soares-Porto 1994 -- (Burgess & Finley 1996:166 [ref. 22901]). •Synonym of Auchenipterichthys punctatus (Valenciennes 1840) -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris et al. 2005:99 [ref. 28560], Ferraris 2007:71 [ref. 29155]). Current status: Synonym of Auchenipterichthys punctatus (Valenciennes 1840). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

dawalla, Hypothalmus Jardine [W.] in Schomburgk 1841:191, Pl. 9 [The Natural history of fishes of Guiana; ref. 18707] Junction of Rupununi and Essequibo rivers, Guyana and Fort St. Joaquim, Rio Branco, Brazil. No types known. Type catalog: Ferraris 2007:69 [ref. 29155]. Name spelled dawalla in text; davalla on plate; although Boeseman 1972:306 [ref. 19698] overlooked the spelling on the plate, he probably can serve as first reviser as he mentioned both spellings. Species was renamed schomburgkii by Bleeker 1858. •Valid as Hypothalmus dawalla Jardine 1841 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

decaradiatus, Trachelyichthys Mees [G. F.] 1974:112, Fig. 31 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Karanambo area, Rupununi, Guyana. Holotype (unique): BMNH 1971.7.29.30. Type catalog: Ferraris 2007:78 [ref. 29155]. •Valid as Trachelyichthys decaradiatus Mees 1974 -- (Greenfield & Glodek 1977:55 [ref. 7054], Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:78 [ref. 29155], Akama & Ferraris 2011:59 [ref. 31467], Birindelli 2014:535 [ref. 33501], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[87] [ref. 36961], Silvano et al. 2020:220 [ref. 38135]). Current status: Valid as Trachelyichthys decaradiatus Mees 1974. Auchenipteridae: Auchenipterinae. Distribution: South America: Orinoco and Amazon basins: Brazil, Colombia and Guyana. Habitat: freshwater.

demerarae, Auchenipterus Eigenmann [C. H.] 1912:202, Pl. 21 (fig. 1) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Wismar, Guyana. Holotype: FMNH 53248 [ex CM 1714]. Paratypes: CAS 57939 [ex IU 12091] (2), FMNH 53246 (1). Type catalog: Henn 1928:73 [ref. 12305], Ibarra & Stewart 1987:14 [ref. 12367], Ferraris 2007:72 [ref. 29155]. •Synonym of Auchenipterus nuchalus (Spix & Agassiz 1829) -- (Burgess 1989:241 [ref. 12860]). •Valid as Auchenipterus demerarae Eigenmann 1912 -- (Ferraris & Vari 1999:417 [ref. 23953], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155], Calegari et al. 2019:[96] [ref. 36961]). Current status: Valid as Auchenipterus demerarae Eigenmann 1912. Auchenipteridae: Auchenipterinae. Distribution: Demerara, Rupununi, Essequibo and Cuyuni River basins: Guyana and Venezuela. Habitat: freshwater.

dentatus, Ageneiosus Kner [R.] 1858:441 [71] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Suriname. Syntypes: NMW 47823 (6). Type catalog: Ferraris 2007:70 [ref. 29155]. On p. 71 of separate. •Synonym of Ageneiosus ucayalensis Castelnau 1855 -- (Ferraris in Reis et al. 2003:472 [ref. 27061] with question, Ferraris 2007:70 [ref. 29155] with question, Mirande & Koerber 2015:30 [ref. 35117]). •Valid as Ageneiosus dentatus Kner 1858 -- (Burgess 1989:286 [ref. 12860], Gómez & Chebez 1996:61 [ref. 23791], Le Bail et al. 2000:52 [ref. 24549], López et al. 2003:57 [ref. 27366], Ribeiro et al. 2017:5, 18 [ref. 35133], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[98] [ref. 36961], Careaga et al. 2020:77 [ref. 37774], Hashimoto et al. 2020:[3] 16 [ref. 37940], Silvano et al. 2020:206 [ref. 38135]). Current status: Valid as Ageneiosus dentatus Kner 1858. Auchenipteridae: Auchenipterinae. Distribution: South America: Orinoco and Amazonas River basins (Guyana, Suriname, Brazil, Colombia, Bolivia and Venezuela). Habitat: freshwater.

dentatus, Auchenipterus Valenciennes [A.] in Cuvier & Valenciennes 1840:210 [Histoire naturelle des poissons v. 15; ref. 1008] Near Paramaribo, Suriname. Holotype (unique): MNHN B-0592 [ex RMNH]. Type catalog: Bertin & Estève 1950:16 [ref. 19575], Royero & Hureau 1996:370 [ref. 22752], Ferraris 2007:72 [ref. 29155]. For information on type and locality see Boeseman 1972:295 [ref. 19698] and Ferraris & Vari 1999:423 [ref. 23953]. •Synonym of Auchenipterus nuchalis (Spix & Agassiz 1829) -- (authors). •Valid as Auchenipterus dentatus Valenciennes 1840 -- (Ferraris & Vari 1999:419 [ref. 23953], Le Bail et al. 2000:60 [ref. 24549], Diogo et al. 2003:398 [ref. 27439], Ferraris 2007:72 [ref. 29155], Calegari et al. 2019:[96] [ref. 36961]). Current status: Valid as Auchenipterus dentatus Valenciennes 1840. Auchenipteridae: Auchenipterinae. Distribution: Northern coastal rivers of the Guianas; Corantijn, Suriname, Arataye, Sinnamary and Oyapock rivers: French Guiana and Suriname. Habitat: freshwater.

depressa, Tocantinsia Mees [G. F.] 1974:108, Fig. 30 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Tocantins near Porto National, Goiás State, Brazil. Holotype: CAS 6573. Paratypes: CAS 6590 (1), 13398 (1); RMNH 26498 (1). Type catalog: Ferraris 2007:78 [ref. 29155]. •Valid as Tocantinsia depressa Mees 1974 -- (Burgess 1989:241 [ref. 12860]). •Synonym of Tocantinsia piresi (Miranda Ribeiro 1920) -- (Mees 1984:32 [ref. 5692], Burgess & Finley 1996:166 [ref. 22901], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:78 [ref. 29155], Birindelli 2014:535 [ref. 33501]). Current status: Synonym of Tocantinsia piresi (Miranda Ribeiro 1920). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

dispilurus, Epapterus Cope [E. D.] 1878:677 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Upper Amazon River, Peru. Lectotype: ANSP 21353. Paralectotypes: ANSP 21354 (1). Type catalog: Böhlke 1984:24 [ref. 13621], Ferraris 2007:74 [ref. 29155]. Lectotype established by Fowler 1941:468 [ref. 23621]. •Valid as Epapterus dispilurus Cope 1878 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:241 [ref. 12860], Vari & Ferraris 1998:992 [ref. 23503], Ferraris in Reis et al. 2003:475 [ref. 27061], López et al. 2003:56 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:74 [ref. 29155], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:190 [ref. 35004], Mirande & Koerber 2015:30 [ref. 35117], Koerber et al. 2017:46 [ref. 35267], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[95] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Epapterus dispilurus Cope 1878. Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River and Paraguay River basins (Colombia, Argentina, Bolivia, Paraguay and Peru). Habitat: freshwater.

dunni, Centromochlus Fowler [H. W.] 1945:111, Figs. 11-13 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 97; ref. 1454] Río Caquetá drainage, Morelia, Colombia [probably Bodoquero River, near the town of Morelia]. Holotype: ANSP 71705. Paratypes: ANSP 71706 (1). Type catalog: Böhlke 1984:24 [ref. 13621], Ferraris 2007:77 [ref. 29155]. •Synonym of Tatia intermedia (Steindachner 1877) -- (authors). •Synonym -- (see Soares-Porto 1998:333 [ref. 23848]). •Valid as Tatia dunni (Fowler 1945) -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:513 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Barriga Salazar 2014:116 [ref. 35745], DoNascimiento et al. 2017:85 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tatia dunni (Fowler 1945). Auchenipteridae: Centromochlinae. Distribution: South America: Amazon River basin (Brazil, Colombia, Ecuador and Peru). Habitat: freshwater.

exilis, Trachelyichthys Greenfield [D. W.] & Glodek [G. S.] 1977:49, Figs. 2-5 [Fieldiana Zoology v. 72 (no. 3); ref. 7054] Río Mamón, a tributary of Río Nanay, about 25 kilometers west of Iquitos, Peru, 3°42'S, 73°16'W. Holotype: FMNH 80476. Paratypes: CAS 39168 (1), FMNH 80477 (1). Type catalog: Ibarra & Stewart 1987:83 [ref. 12367], Ferraris 2007:78 [ref. 29155]. •Valid as Trachelyichthys exilis Greenfield & Glodek 1977 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:241 [ref. 12860], Ferraris 2007:78 [ref. 29155], Calegari et al. 2019:[87] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Trachelyichthys exilis Greenfield & Glodek 1977. Auchenipteridae: Auchenipterinae. Distribution: SouthAmerica: Nanay River drainage, upper Amazon River basin (Peru). Habitat: freshwater.

existimatus, Centromochlus Mees [G. F.] 1974:50, Fig. 8 (right) [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Harbor of Manos, Amazon River, Brazil. Holotype: ANSP 73154. Paratypes: ANSP 108489 (1); BMNH 1889.11.14.39 (1); CAS 6689 (1), 13399 [ex CAS 6676] (1), 13400 [= CAS 24799] (1); MCZ 7628-31 (2, 1, 5 6), 7635 (2), 7730 (7 + 23 or author error); MNRJ 9413 (2), 9415 (1); ZMUC (1). Type catalog: Böhlke 1984:25 [ref. 13621], Ferraris 2007:73 [ref. 29155]. •Valid as Centromochlus existimatus Mes 1974 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:242 [ref. 12860], Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:282 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Cooke et al. 2012:2 [ref. 40084], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:4 [ref. 33806] in subgenus Centromochlus, Sarmento-Soares et al. 2017:[9] [ref. 35115], DoNascimiento et al. 2017:85 [ref. 35633], Calegari et al. 2019:[78] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Centromochlus existimatus Mees 1974. Auchenipteridae: Centromochlinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.

ferrarisi, Centromochlus Birindelli [J. L. O.], Sarmento-Soares [L. M.] & Lima [F. C. T.] 2015:862, Figs. 1-7 [Journal of Fish Biology v. 87 (no. 4); ref. 33961] Tocantins, Rio da Conceição, headwater of Rio das Balsas, Estação Ecológica Serra Geral do Tocantins, Brazil, 11°05′58′′S, 46°46′07′′W. Holotype: MZUSP 98464. Paratypes: MNRJ, MZUSP. •Valid as Centromochlus ferrarisi Birindelli, Sarmento-Soares & Lima 2015 -- (Sarmento-Soares et al. 2017:[9] [ref. 35115]). •Valid as Ferrarissoaresia ferrarisi (Birindelli, Sarmento-Soares & Lima 2015) -- (Calegari et al. 2019:[76] [ref. 36961]). •Valid as Tatia ferrarisi (Birindelli, Sarmento-Soares & Lima 2015) -- (Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Ferrarissoaresia ferrarisi (Birindelli, Sarmento-Soares & Lima 2015). Auchenipteridae: Centromochlinae. Distribution: Rio das Balsas drainage, Tocantins basin, Brazil. Habitat: freshwater.

fisheri, Trachycorystes Eigenmann [C. H.] 1916:82 [Annals of the Carnegie Museum v. 10 (nos 1-2) (art. 6); ref. 1233] Río Sucio, Colombia. Holotype: FMNH 57695 [ex CM 6667a]. Paratypes: CAS 52136 [ex IU 13496] (1), 57937 [ex IU 13495] (5), 57938 [ex IU 13497] (6); FMNH 57696-98 (9, 1, 6); USNM 76929 (6). Type catalog: Henn 1928:74 [ref. 12305], Ibarra & Stewart 1987:84 [ref. 12367], Ferraris & Vari 1992:11 [ref. 19771], Ferraris 2007:79 [ref. 29155]. •Valid as Parauchenipterus fisheri (Eigenmann 1916) -- (Burgess 1989:242 [ref. 12860]). •Valid as Trachelyopterus fisheri (Eigenmann 1916) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus fisheri (Eigenmann 1916). Auchenipteridae: Auchenipterinae. Distribution: Sucio River basin, Colombia. Habitat: freshwater.

flavescens, Felichthys Eigenmann [C. H.] & Eigenmann [R. S.] 1888:152 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] Rio São Francisco, Brazil. Holotype (unique): MCZ 7362. Type catalog: Ferraris 2007:76 [ref. 29155]. •Valid as Pseudauchenipterus flavescens (Eigenmann & Eigenmann 1888) -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Calegari et al. 2019:[92] [ref. 36961]). Current status: Valid as Pseudauchenipterus flavescens (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Distribution: São Francisco River basin, Brazil. Habitat: freshwater.

fordicei, Auchenipterus Eigenmann [C. H.] & Eigenmann [R. S.] 1888:151 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] Lago do Coari on Rio Solimões at Coari, Amazonas, Brazil. Holotype (unique): MCZ 7289. Type catalog: Ferraris 2007:72 [ref. 29155]. •Valid as Auchenipterus fordicei Eigenmann & Eigenmann 1888 -- (Ferraris & Vari 1999:424 [ref. 23953], Ferraris & Vari 2000:110 [ref. 24437], Ferraris 2007:72 [ref. 29155], Calegari et al. 2019:[96] [ref. 36961], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Auchenipterus fordicei Eigenmann & Eigenmann 1888. Auchenipteridae: Auchenipterinae. Distribution: South America: upper and middle Amazon River basin (Brazil and Peru). Habitat: freshwater.

freiei, Ageneiosus Schultz [L. P.] 1944:240, Pl. 4 (fig. B) [Proceedings of the United States National Museum v. 94 (no. 3172); ref. 3959] Río Agua Caliente, 2-3 kilometers above Lago Maracaibo, Venezuela. Holotype: USNM 121260. Paratypes: MCZ 37210 [ex USNM 121261] (1); USNM 121261 (2, now 1), 121262 (2). Type catalog: Ferraris & Vari 1992:10 [ref. 19771], Ferraris 2007:70 [ref. 29155]. •Valid or a synonym of Ageneiosus caucanus Steindachner 1880 -- (Burgess 1989:286 [ref. 12860]). •Valid as Ageneiosus freiei Schultz 1944 -- (Galvis et al. 1997:74 [ref. 23651]). •Synonym of Ageneiosus pardalis Lütken 1874 -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Ribeiro et al. 2017:59 [ref. 35133]). Current status: Synonym of Ageneiosus pardalis Lütken 1874. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

furcatus, Auchenipterus Valenciennes [A.] in Cuvier & Valenciennes 1840:211 [Histoire naturelle des poissons v. 15; ref. 1008] Suriname, Cayanne. Syntypes: MNHN B-0213 (1), 3049 (1), A-8855 (1). Type catalog: Royero & Hureau 1996:371-372 [ref. 22752], Type catalog: Ferraris 2007:76 [ref. 29155]. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

gabardinii, Ageneiosus Risso [F. J. J.] & Risso [E. N. P. de] 1964:12, Pls. 3 (fig. 1), 6 (fig. 4) [Notas del Museo de Ciencias Naturales del Chaco v. 1 (no. 1); ref. 21160] Río Paraná, Corrientes, Argentina. Holotype: MCNC 3, VI-63-2. Paratypes: MCNC 3, VI-63-3 (1). Type catalog: Ferraris 2007:69 [ref. 29155]. •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

galaxias, Tatia Mees [G. F.] 1974:85, Fig. 23 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Caño de Quiribana into Río Orinoco, Venezuela. Holotype: CAS 6567. Paratypes: CAS 6568 (4); RMNH 26493 (2); MNHN 1898-0034 (1). Type catalog: Ferraris 2007:77 [ref. 29155]. •Synonym -- (see Soares-Porto 1998:333 [ref. 23848]). •Valid as Tatia galaxias Mees 1974 -- (Mees 1988:407, 410 [ref. 13382], Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:516 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Vari & Calegari 2014:673 [ref. 33612], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia galaxias Mees 1974. Auchenipteridae: Centromochlinae. Distribution: Orinoco River basin: Venezuela and Colombia. Habitat: freshwater.

galeatus, Silurus Linnaeus [C.] (ex Seba) 1766:503 [Systema naturae sive regna tria naturae v. 1 (pt 1); ref. 2786] South America [possibly Suriname River]. No types known. Type catalog: Ferraris 2007:79 [ref. 29155]. Based on the 'Mystus cirris 6' of Seba 1759:85, pl. 19, fig. 7 [ref. 18716]. •Valid as Trachycorystes galeatus (Linnaeus 1766) -- (Ovchynnyk 1967:34 [ref. 37559]). •Valid as Parauchenipterus galeatus (Linnaeus 1766) -- (Mees 1986:313 [ref. 5693], Burgess 1989:242 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791], Fuller et al. 1999:215 [ref. 25838], Le Bail et al. 2000:64 [ref. 24549], Lasso et al. 2001:97 [ref. 25928]). •Valid as Trachelyopterus galeatus (Linnaeus 1766) -- (Bertoletti et al. 1992:170 [ref. 22128], Bertoletti et al. 1995:71 [ref. 21959], Sverlij et al. 1998:47 [ref. 27632], Britski et al. 1999:115 [ref. 24147], Meisner et al. 2000:136 [ref. 25212], Ferraris in Reis et al. 2003:478 [ref. 27061], López et al. 2003:56 [ref. 27366] as cf. galeatus, Casciotta et al. 2003:136 [ref. 28130], Menni 2004:83 [ref. 28131], Ferraris 2007:79 [ref. 29155], Akama & Ferraris 2011:59 [ref. 31467], Phillip et al. 2013:17 [ref. 32896], Barriga Salazar 2014:116 [ref. 35745], Birindelli 2014:535 [ref. 33501], Koerber & Litz 2014:3 [ref. 34967], Sarmiento et al. 2014:146, 190 [ref. 35004], Ramos et al. 2014:4 [ref. 35321], Koerber & Litz 2016:3 [ref. 35098], Melo et al. 2016:377 [ref. 35317], Koerber et al. 2017:46 [ref. 35267], DoNascimiento et al. 2017:87 [ref. 35633], Costa et al. 2017:44 [ref. 35684], Urbano-Bonilla et al. 2018:81 [ref. 35773], Calegari et al. 2019:[90] [ref. 36961], Koerber et al. 2020:7 [ref. 37480], Reis et al. 2020:464 [ref. 38364], Silva et al. 2020:9 [ref. 37809], Silvano et al. 2020:218 [ref. 38135], Vita et al. 2020:[5] [ref. 37506], Koerber et al. 2021:8 [ref. 38894], Meza-Vargas et al. 2021:23 [ref. 39298], Koerber et al. 2022:55 [ref. 39235], Cortés Hernández et al. 2023:456 [ref. 40760], Koerber et al. 2023:8 [ref. 40355], Quintela et al. 2023:6 [ref. 40727], Vieira et al. 2023:20 [ref. 40759]). Current status: Valid as Trachelyopterus galeatus (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Distribution: South America: ?Argentina, Brazil, Ecuador, Colombia, Bolivia, Paraguay, Uruguay, French Guiana, Peru, Suriname and Trinidad and Tobago. Habitat: freshwater.

gameroi, Entomocorus Mago-Leccia [F.] 1984:217, Figs. 1-6 [Acta Biologica Venezuelica v. 11 (no. 4) (for Dec. 1983); ref. 17437] Mouth of the Río Apurito at the Río Apure, near San Fernando de Apure, Guárico State, Venezuela. Holotype: MBUCV-V-13808. Paratypes: AMNH 58671 (3); MBUCV-V-4688 (3), V-4780 (2), V-9005 (9), V-11495 (14), V-11983 (5), V-13348 (5 not 4). Additional material: MBUCV (21 lots, 124). Type catalog: Provenzano et al. 1998:8 [ref. 24196], Ferraris 2007:74 [ref. 29155]. •Valid as Entomocorus gameroi Mago-Leccia 1984 -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:474 [ref. 27061], Akama & Ferraris 2003:77 [ref. 27321], Reis & Borges 2006:414 [ref. 28794], Ferraris 2007:74 [ref. 29155], DoNascimiento et al. 2017:86 [ref. 35633], Urbano-Bonilla et al. 2018:81 [ref. 35773], Calegari et al. 2019:[93] [ref. 36961]). Current status: Valid as Entomocorus gameroi Mago-Leccia 1984. Auchenipteridae: Auchenipterinae. Distribution: Orinoco River drainage: Venezuela and Colombia. Habitat: freshwater.

glaber, Auchenipterus Steindachner [F.] 1877:655 [97] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Demerara River, Guyana. Holotype (unique): NMW (not found yet). Type catalog: Ferraris 2007:80 [ref. 29155]. •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). •Synonym of Parauchenipterus galeatus (Linnaeus 1766) -- (Mees 1974:40 [ref. 2969]). Current status: Synonym of Trachelyopterus galeatus (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

gracilis, Pseudepapterus Ferraris [C. J., Jr.] & Vari [R. P.] 2000:109, Fig. 5 [Ichthyological Exploration of Freshwaters v. 11 (no. 2); ref. 24437] Caño Chuapo, about 20 minutes downstream from Jabillal (on opposite bank) along Rio Caura, 7°07'N, 65°00'W, Bolivar, Venezuela. Holotype (unique): ANSP 139502. Type catalog: Ferraris 2007:76 [ref. 29155]. •Valid as Pseudepapterus gracilis Ferraris & Vari 2000 -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Calegari et al. 2019:[94] [ref. 36961]). Current status: Valid as Pseudepapterus gracilis Ferraris & Vari 2000. Auchenipteridae: Auchenipterinae. Distribution: Caura River basin, Venezuela. Habitat: freshwater.

guianensis, Ageneiosus Eigenmann [C. H.] 1912:204, Pl. 21 (fig. 2) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Wismar, Guyana. Holotype (unique): FMNH 53247 [ex CM 1712]. Type catalog: Henn 1928:74 [ref. 12305], Ibarra & Stewart 1987:6 [ref. 12367], Ferraris 2007:70 [ref. 29155]. •Valid as Ageneiosus guianensis Eigenmann 1912 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus ucayalensis Castelnau 1855 -- (Ferraris in Reis et al. 2003:472 [ref. 27061] with question, Ferraris 2007:70 [ref. 29155] with question, Mirande & Koerber 2015:30 [ref. 35117]). •Synonym of Ageneiosus dentatus Kner 1858 -- (Ribeiro et al. 2017:18 [ref. 35133]). Current status: Synonym of Ageneiosus dentatus Kner 1858. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

guppyi, Pseudauchenipterus Regan [C. T.] 1906:387, Pl. 24 [Proceedings of the Zoological Society of London 1906 (pt 2) (art. 1) (for 10 Apr. 1906); ref. 15700] Caroni River, Trinidad Island, West Indies. Syntypes: BMNH 1906.6.23.49-50 (2). Type catalog: Ferraris 2007:76 [ref. 29155]. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

gyrinus, Centromochlus Eigenmann [C. H.] & Allen [W. R.] 1942:118, Pl. 5 (fig. 4) [Fishes of western South America; ref. 1246] Río Itaya, Iquitos, Peru. Holotype (unique): CAS 36979 [ex IU 15795]. Type catalog: Ferraris 2007:77 [ref. 29155]. •Valid as Tatia gyrina (Eigenmann & Allen 1942) -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:242 [ref. 12860], Soares-Porto 1995:205 [ref. 21882], Soares-Porto 1998:333 [ref. 23848], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:519 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Vari & Ferraris 2013:401 [ref. 32917], Vari & Calegari 2014:673 [ref. 33612], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tatia gyrina (Eigenmann & Allen 1942). Auchenipteridae: Centromochlinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru) and ?Suriname. Habitat: freshwater.

hasemani, Auchenipterus (Pseudepapterus) Steindachner [F.] 1915:199 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 52 (no. 17); ref. 15071] Pará, Brazil. Holotype (unique): NMW 47397. Type catalog: Ferraris 2007:76 [ref. 29155]. Species described in more detail in Steindachner 1915:82 [p. 68 of separate] [ref. 4244]; also in Steindachner 1917 [ref. 15259]. •Valid as Pseudepapterus hasemani (Steindachner 1915) -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:241 [ref. 12860], Ferraris & Vari 2000:105 [ref. 24437], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], DoNascimiento et al. 2017:87 [ref. 35633], Urbano-Bonilla et al. 2018:81 [ref. 35773], Calegari et al. 2019:[94] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298], Cortés Hernández et al. 2023:456 [ref. 40760]). Current status: Valid as Pseudepapterus hasemani (Steindachner 1915). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.

heckelii, Auchenipterus De Filippi [F.] 1853:167 [4] [Revue et Magasin de Zoologie (Sér. 2) v. 5; ref. 17378] Río Napo, Amazon River system, Peru. Syntypes: MZUT 233 [ex MSNM] (1). Type catalog: Tortonese 1940:136 [ref. 21559], Conci & Michelangeli 1974:219 [ref. 21560], Ferraris 2007:73 [ref. 29155]. On p. 4 of separate. •Valid as Centromochlus heckelii (De Filippi 1853) -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:242 [ref. 12860], Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:282 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Diogo et al. 2003:398 [ref. 27439], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029] as Filippi, Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:144, 189 [ref. 35004], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:4 [ref. 33806] in subgenus Centromochlus, Birindelli et al. 2015:872 [ref. 33961], Sarmento-Soares et al. 2017:[9] [ref. 35115], DoNascimiento et al. 2017:85 [ref. 35633], Calegari et al. 2019:[78] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Silvano et al. 2020:214 [ref. 38135], Coelho et al. 2021:162 [ref. 38196], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Centromochlus heckelii (De Filippi 1853). Auchenipteridae: Centromochlinae. Distribution: South America: Amazon and Orinoco River basins (Ecuador, Peru, Colombia and Bolivia). Habitat: freshwater.

imberbis, Silurus Larrañaga [D. A.] 1923:376 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. No types known. Type catalog: Ferraris 2007:70 [ref. 29155]. Corresponds to Silurus 38-radiatus on p. 386. Appeared as Silurus imberbis vel 38-radiatus in Devincenzi 1925:310, 322 [ref. 20322]; Devencinzi treated as a synonym of Ageneiosus ucayalensis Castelnau 1855. Name imberbis perhaps was in reference to Silurus imberbis Gmelin. •Synonym of Ageneiosus militaris Valenciennes 1835 -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Ribeiro et al. 2017:52 [ref. 35133]). Current status: Synonym of Ageneiosus militaris Valenciennes 1835. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

immaculatus, Auchenipterus Valenciennes [A.] in Cuvier & Valenciennes 1840:218 [Histoire naturelle des poissons v. 15; ref. 1008] Suriname. Holotype (unique): RMNH 3008. Type information: Boeseman 1972:302 [ref. 19698]. Type catalog: Ferraris 2007:80 [ref. 29155]. For locality information see Boeseman 1972:302 [ref. 19698]. •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). Auchenipteridae: Auchenipterinae. Distribution: Suriname. Habitat: freshwater.

inermis, Silurus Linnaeus [C.] 1766:503 [Systema naturae sive regna tria naturae v. 1 (pt 1); ref. 2786] Suriname. No types known. Type catalog: Ferraris 2007:69 [ref. 29155]. •Valid as Ageneiosus inermis (Linnaeus 1766) -- (Burgess 1989:286 [ref. 12860], Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:102 [ref. 30759], Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:535 [ref. 33501], Litz & Koerber 2014:17 [ref. 33622], Sarmiento et al. 2014:141, 189 [ref. 35004], Ramos et al. 2014:4 [ref. 35321], Mirande & Koerber 2015:29 [ref. 35117], Melo et al. 2016:134 [ref. 34701], Nión et al. 2016:33 [ref. 35565], Ribeiro et al. 2017:5, 25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[98] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Reis et al. 2020:464 [ref. 38364], Silvano et al. 2020:206 [ref. 38135], Meza-Vargas et al. 2021:22 [ref. 39298], Koerber et al. 2022:57 [ref. 39235], Loureiro et al. 2023:124 [ref. 40506]). Current status: Valid as Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Distribution: Widespread in South America: Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay and Venezuela. Habitat: freshwater.

insignis, Auchenipterus Steindachner [F.] 1878:89 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 15 (no. 12) (for 9 May 1878); ref. 20476] Río Magdalena, Colombia. Syntypes: (several) NMW. Type catalog: Ferraris 2007:79 [ref. 29155]. Species later illustrated and described in more detail in Steindachner 1879:35 [p. 19 of separate], Pl. 3 (figs. 2-2a) [ref. 4227]. auchinipterus insignis given precedence ofer A. magdalenae by first reviser of Miles 1947:73. •Valid as Parauchenipterus insignis (Steindachner 1878) -- (Burgess 1989:242 [ref. 12860]). •Valid as Trachycorystes insignis (Steindachner 1878) -- (Galvis et al. 1997:58 [ref. 23651]). •Valid as Trachelyopterus insignis (Steindachner 1878) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus insignis (Steindachner 1878). Auchenipteridae: Auchenipterinae. Distribution: Lower Magdalena River basin, Colombia. Habitat: freshwater.

intermedius, Centromochlus Steindachner [F.] 1877:664 [106] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Marabitanos, Pará, Brazil. Holotype (unique): NMW 47355. Type catalog: Ferraris 2007:77 [ref. 29155]. On p. 106 of separate. •Synonym of Tatia aulopygia (Kner 1858), but a valid subspecies -- (Mees 1988:409 [ref. 13382], Burgess 1989:242 [ref. 12860] with subspecies questionably). •Valid as Tatia intermedia (Steindachner 1877) -- (Ortega & Vari 1986:14 [ref. 9708], Soares-Porto 1995:204 [ref. 21882], Soares-Porto 1998:333 [ref. 23848], Le Bail et al. 2000:68 [ref. 24549] as cf. intermedia, Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:523 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Barriga Salazar 2014:116 [ref. 35745], Sarmiento et al. 2014:145, 190 [ref. 35004], Vari & Calegari 2014:673 [ref. 33612], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Meza-Vargas et al. 2021:23 [ref. 39298], Koerber et al. 2022:55 [ref. 39235], Vieira et al. 2023:20 [ref. 40759]). Current status: Valid as Tatia intermedia (Steindachner 1877). Auchenipteridae: Centromochlinae. Distribution: South America: Amazon and Orinoco River basins (Brazil, Ecuador, Colombia, Bolivia, French Guiana, Guyana, Peru and Suriname). Habitat: freshwater.

intrusus, Ageneiosus Ribeiro [F. R. V.], Rapp Py-Daniel [L. H.] & Walsh [S. J.] 2017:34, Figs. 13-14 [Journal of Fish Biology; ref. 35133] Rio Solimões, Paraná do Rei, Amazonas, Brazil. Holotype: INPA 52433. Paratypes: ANSP, FMNH, INPA, MCP, MPEG, MZUSP, USNM. Plus additional non-type material. •Valid as Ageneiosus intrusus Ribeiro, Rapp Py-Daniel & Walsh 2017 -- (Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Silvano et al. 2020:207 [ref. 38135]). Current status: Valid as Ageneiosus intrusus Ribeiro, Rapp Py-Daniel & Walsh 2017. Auchenipteridae: Auchenipterinae. Distribution: South America: middle and lower Amazon River and probably Orinoco River basins (Bolivia and Brazil). Habitat: freshwater.

isacanthus, Auchenipterus Cope [E. D.] 1878:677 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Peruvian Amazon. Syntypes: ANSP 21444-45 (2). Type catalog: Böhlke 1984:25 [ref. 13621], Ferraris 2007:80 [ref. 29155] •Valid as Trachycorystes isacanthus (Cope 1878) -- (Ortega & Vari 1986:14 [ref. 9708]). •Valid as Parauchenipterus isacanthus (Cope 1878) -- (Burgess 1989:242 [ref. 12860]). •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). Current status: Uncertain as Trachelyopterus isacanthus (Cope 1878). Auchenipteridae: Auchenipterinae. Distribution: Peruvian Amazon. Habitat: freshwater.

jaracatia, Tatia Pavanelli [C. S.] & Bifi [A. G.] 2009:200, Figs. 1-2 [Neotropical Ichthyology v. 7 (no. 2); ref. 30255] Lower rio Iguaçu basin, rio Jaracatiá, 25°38'17"S, 53°17'04"W, municípios de Salta do Lonta and Dois Cizinhos, Paraná State, Brazil. Holotype: MZUSP 98248. Paratypes: (many) at MNRJ, MZUSP, NUP; plus non-measured paratypes at NUP. Type catalog: Oliveira et al. 2022:31 [ref. 39255]. •Valid as Tatia jaracatia Pavanelli & Bifi 2009 -- (Koerber 2014:6 [ref. 33621], Vari & Calegari 2014:673 [ref. 33612] as jacaratia, Mirande & Koerber 2015:31 [ref. 35117], Calegari et al. 2019:[82] [ref. 36961] as jacaratia, Reis et al. 2020:464 [ref. 38364], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia jaracatia Pavanelli & Bifi 2009. Auchenipteridae: Centromochlinae. Distribution: South America: Iguaçu River basin (southern Brazil and Argentina). Habitat: freshwater.

jequitinhonhae, Auchenipterus (Pseudauchenipterus) Steindachner [F.] 1877:647 [89], Pl. 6 (figs. 1-1a) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Rio Jequitinhonha, southeastern Brazil. Syntypes: NMW 19785-92 (8). Type catalog: Ferraris 2007:76 [ref. 29155]. On p. 89 of separate. •Valid as Pseudauchenipterus jequitinhonhae (Steindachner 1877) -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Calegari et al. 2019:[92] [ref. 36961], Silva et al. 2020:9 [ref. 37809]). Current status: Valid as Pseudauchenipterus jequitinhonhae (Steindachner 1877). Auchenipteridae: Auchenipterinae. Distribution: South America: Jequitinhonha River basin (Brazil). Habitat: freshwater.

jokeannae, Trachycorystes Hoedeman [J. J.] 1961:138 [Bulletin of Aquatic Biology v. 2 (no. 23); ref. 11969] Rorota creek, Cayenne Island, French Guiana. Holotype (unique): ZMA 102371. Type catalog: Nijssen et al. 1982:63 [ref. 19236], Ferraris 2007:80 [ref. 29155]. •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). •Synonym of Parauchenipterus galeatus (Linnaeus 1766) -- (Mees 1974:40 [ref. 2969]). Current status: Synonym of Trachelyopterus galeatus (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

lacustris, Auchenipterus Lütken [C. F.] (ex Reinhardt) 1874:30 [2] [Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger og dets Medlemmers Arbeider (Kjøbenhavn) 1874 (no. 1); ref. 2855] Lagoa Santa and Rio das Velhas, Minas Gerais State, Brazil. Syntypes: MNHN 0000-9572 (1); ?NMW 47402 (1); SMNS 2051 (1); ZMB 9179 (1); ZMUC P 29665-68 (4). Type catalog: Nielsen 1974:51 [ref. 9588], Fricke 1995:4 [ref. 28100], Royero & Hureau 1996:375 [ref. 22752], Fricke 2005:14 [ref. 29864], Ferraris 2007:79 [ref. 29155]. On p. 2 of separate. Also described in Lütken 1875:147 (and p. III of summary) [ref. 19674]. Authorship sometimes seen as Reinhardt in Lütken. •Synonym of Parauchenipterus galeatus (Linnaeus 1766) -- (Britski 2001:20 [ref. 26046]). •Valid as Trachelyopterus lacustris (Lütken 1874) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus lacustris (Lütken 1874). Auchenipteridae: Auchenipterinae. Distribution: Das Velhas River and Lagoa Santa basins, Brazil. Habitat: freshwater.

leopardinus, Trachycorystes Borodin [N. A.] 1927:3, Fig. 2 [American Museum Novitates No. 266; ref. 12246] Rio São Francisco, Pirapora, Minas Gerais State, Brazil. Holotype (unique): AMNH 8637. Type catalog: Ferraris 2007:80 [ref. 29155]. •Valid as Parauchenipterus leopardinus (Borodin 1927) -- (Burgess 1989:242 [ref. 12860]). •Valid as Trachelyopterus leopardinus (Borodin 1927) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:80 [ref. 29155], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus leopardinus (Borodin 1927). Auchenipteridae: Auchenipterinae. Distribution: São Francisco River basin, Brazil. Habitat: freshwater.

leopardus, Centromochlus (Gephyromochlus) Hoedeman [J. J.] 1961:135, Fig. 3 [Bulletin of Aquatic Biology v. 2 (no. 23); ref. 11969] Litany River, Aloiké village, French Guiana. Holotype (unique): ZMA 102233. Type catalog: Nijssen et al. 1982:40 [ref. 19236], Ferraris 2007:75 [ref. 29155]. Specific name is a noun. •Valid as Glanidium leopardus (Hoedeman 1961) -- (Burgess 1989:241 [ref. 12860], Soares-Porto 1998:333 [ref. 23848], Le Bail et al. 2000:70 [ref. 24549], Ferraris in Reis et al. 2003:475 [ref. 27061] as leopardum, Sarmento-Soares & Buckup 2005:846 [ref. 28476] as leopardum, Ferraris 2007:75 [ref. 29155] as leopardum, Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754] as leopardum). •Valid as Gephyromochlus leopardus (Hoedeman 1961) -- (Calegari et al. 2019:[77] [ref. 36961] author as Hoedman, Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877]). Current status: Valid as Gephyromochlus leopardus (Hoedeman 1961). Auchenipteridae: Centromochlinae. Distribution: Coastal rivers of the Guianas: French Guiana, Guyana and Suriname. Habitat: freshwater.

lineatus, Ageneiosus Ribeiro [F. R. V.], Rapp Py-Daniel [L. H.] & Walsh [S. J.] 2017:40, Fig. 15 [Journal of Fish Biology; ref. 35133] Rio Negro, Rio Jaú, Novo Airã, Amazonas, Brazil. Holotype: INPA 35548. Paratypes: ANSP, FMNH, INPA, MCNG, MZUSP, UF, UFOPA-I, USNM. •Valid as Ageneiosus lineatus Ribeiro, Rapp Py-Daniel & Walsh 2017 -- (Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Silvano et al. 2020:207 [ref. 38135]). Current status: Valid as Ageneiosus lineatus Ribeiro, Rapp Py-Daniel & Walsh 2017. Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon and Orinoco River basins (Brazil and Venezuela). Habitat: freshwater.

longimanus, Auchenipterus Günther [A.] 1864:195 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Rio Capin [= Capim], Pará State, Brazil. Syntypes: (3) BMNH 1849.11.8.11 (3); ?ZMB 5059 [ex BMNH] (1). Type catalog: Ferraris 2007:71 [ref. 29155]. •Valid as Auchenipterichthys longimanus (Günther 1864) -- (Burgess 1989:241 [ref. 12860], Soares-Porto 1994:281 [ref. 21570], Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris et al. 2005:95 [ref. 28560], Ferraris 2007:71 [ref. 29155], Sarmiento et al. 2014:142, 189 [ref. 35004], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[86] [ref. 36961], Silvano et al. 2020:211 [ref. 38135], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Auchenipterichthys longimanus (Günther 1864). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon and Orinoco River basins (Bolivia, Brazil, Colombia, Peru and Venezuela). Habitat: freshwater.

longipinna, Tympanopleura Walsh [S. J.], Ribeiro [F. R. V.] & Rapp Py-Daniel [L. H.] 2015:28, Figs. 1d, 6e, 14 [Neotropical Ichthyology v. 13 (no. 1); ref. 33781] Rondônia, rio Madeira, Calama, Praia do Caraparu, Brazil. Holotype: MZUSP 114000 (ex MZUSP 34417). Paratypes: AMNH, INPA, MCP, MZUSP, UF. Plus non-type specimens. •Valid as Tympanopleura longipinna Walsh, Ribeiro & Rapp Py-Daniel 2015 -- (Calegari et al. 2019:[98] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940]). Current status: Valid as Tympanopleura longipinna Walsh, Ribeiro & Rapp Py-Daniel 2015. Auchenipteridae: Auchenipterinae. Distribution: South America: Madeira River drainage, western Amazon basin (Bolivia, Peru and Brazil). Habitat: freshwater.

longipinnis, Euanemus Steindachner [F.] (ex Agassiz) 1881:17 [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 44 (in 1882); ref. 14299] Rio Hyavary = Rio Javary [Javari], tributary of Rio Solimões, at Peru/Brazil border. Lectotype: NMW 46682.1. Paralectotypes: NMW 46682.2-4 (3). Non-types: MCZ 9834 (1), 33450 (1). Type catalog: Ferraris 2007:74 [ref. 29155]. Species not listed in earlier abstract [ref. 20484]. Lectotype selected by Vari & Ferraris 1998:992 [ref. 23503]. •Synonym of Epapterus dispilurus Cope 1878 -- (Vari & Ferraris 1998:1002 [ref. 23503], Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris 2007:74 [ref. 29155], Mirande & Koerber 2015:30 [ref. 35117], Koerber et al. 2017:46 [ref. 35267]). Current status: Synonym of Epapterus dispilurus Cope 1878. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

lucenai, Trachelyopterus Bertoletti [J. J.], da Silva [J. F. P.] & Pereira [E. H. L.] 1995:71, Figs. 2-3 [Revue française d'Aquariologie Herpétologie v. 22 (no. 3/4); ref. 21959] Rio Jacuí at saco do Quilombo, about 29°58'S, 51°15'W, ilha das Flores, Porto Alegre, Rio Grande do Sul, Brazil. Holotype: MCP 17174. Paratypes: MCP 12796 (4), 13931-33 (1, 2, 3), 14245 (1), 14402 (1), 14516 (2), 15424 (1), 15432 (10), 16078 (6), 16235 (1), 17595-96 (1, 1). Type catalog: Ferraris 2007:80 [ref. 29155]. •Valid as Trachelyopterus lucenai Bertoletti, da Silva & Pereira 1995 -- (Burgess & Finley 1996:166 [ref. 22901], Meisner et al. 2000:133 [ref. 25212], Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:80 [ref. 29155], Koerber & Litz 2014:3 [ref. 34967], Mirande & Koerber 2015:30 [ref. 35117], Bertaco et al. 2016:416 [ref. 34561], Koerber & Litz 2016:4 [ref. 35098], Nión et al. 2016:33 [ref. 35565] with authors as Bertoletti, Pezzi, Da Silva & Pereira, Calegari et al. 2019:[90] [ref. 36961], Koerber et al. 2020:7 [ref. 37480], Loureiro et al. 2020:14 [ref. 37909], Koerber et al. 2021:8 [ref. 38894], Bertaco & Azevedo 2023:4 [ref. 39997], Bertaco et al. 2023:9 [ref. 40740], Giora & Wingert 2023:156 [ref. 41026], Koerber et al. 2023:8 [ref. 40355], Loureiro et al. 2023:122 [ref. 40506]). Current status: Valid as Trachelyopterus lucenai Bertoletti, da Silva & Pereira 1995. Auchenipteridae: Auchenipterinae. Distribution: South America: Jacuí River drainage (Argentina, Brazil and Uruguay). Introduced elsewhere. Habitat: freshwater.

luisae, Tatia Ribeiro [F. R. V.], Silva-Oliveira [C.], da Silva [A. C. F.] & Canto [A. L. C.] 2022:3, Figs. 1-5 [Neotropical Ichthyology v. 20 (no. 2): e210164; ref. 39328] Rio Tapajós, Pimental Community, Itaituba, Pará State, Brazil, 04°33'22.3"S, 56°17'56.1"W. Holotype: UFOPA-I 1363. Paratypes: INPA, MCP, UFOPA. •Valid as Tatia luisae Ribeiro, Silva-Oliveira, da Silva & Canto 2022. Current status: Valid as Tatia luisae Ribeiro, Silva-Oliveira, da Silva & Canto 2022. Auchenipteridae: Centromochlinae. Distribution: South America: middle Rio Tapajós basin, Pará State, Brazil. Habitat: freshwater.

macracanthus, Centromochlus Soares-Porto [L. M.] 2000:282, Figs. 1-4 [Ichthyological Exploration of Freshwaters v. 11 (no. 3); ref. 25085] São Pedro, Río Negro, Amazonas, Brazil. Holotype: MZUSP 30620. Paratypes: INPA 6565 (1); MCP 21789 (2); MNRJ 18242 (2); MZUSP 52924 (6), 30605 (4); CAS-SU 58869-71 (2, 2, 11). Type catalog: Ferraris 2007:73 [ref. 29155]. •Valid as Balroglanis macracanthus (Soares-Porto 2000) -- (Calegari et al. 2019:[80] [ref. 36961], Meza-Vargas et al. 2021:22 [ref. 39298]). •Valid as Centromochlus macracanthus Soares-Porto 2000 -- (Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:2 [ref. 33806] in subgenus Balroglanis Grant 2015, Sarmento-Soares et al. 2017:[9] [ref. 35115], DoNascimiento et al. 2017:85 [ref. 35633], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196]). Current status: Valid as Centromochlus macracanthus Soares-Porto 2000. Auchenipteridae: Centromochlinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru), and possibly upper Orinoco River. Habitat: freshwater.

maculosus, Auchenipterus Valenciennes [A.] in Cuvier & Valenciennes 1840:216 [Histoire naturelle des poissons v. 15; ref. 1008] Cayenne, French Guiana; Suriname. Syntypes: MNHN A-8856 [ex RMNH] (1), 3048 (1); ?RMNH D3007 (1, stuffed). Type catalog: Bertin & Estève 1950:17 [ref. 19575], Royero & Hureau 1996:374 [ref. 22752], Ferraris 2007:79 [ref. 29155]. For information on type and locality see Boeseman 1972:301 [ref. 19698]. •Synonym of Trachelyopterus galeatus (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155], Koerber & Litz 2014:3 [ref. 34967], Koerber & Litz 2016:3 [ref. 35098], Koerber et al. 2017:46 [ref. 35267]). Current status: Synonym of Trachelyopterus galeatus (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

maculosus, Trachelyopterus coriaceus Eigenmann [C. H.] & Eigenmann [R. S.] 1888:157 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] Rio Xingu at Porto de Moz, Amazon delta, Pará, Brazil. Holotype (unique): MCZ 7337. Type catalog: Ferraris 2007:79 [ref. 29155]. Secondary homonym of Trachelyopterus maculosus (Valenciennes 1840). •Valid as Trachelyopterus maculosus Eigenmann & Eigenmann 1888 -- (Burgess 1989:242 [ref. 12860]). •Synonym of Trachelyopterus coriaceus Valenciennes 1840 -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155]). 2°Homonym. Current status: Synonym of Trachelyopterus coriaceus Valenciennes 1840. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

madeirensis, Ageneiosus Fisher [H. G.] 1917:426, Pl. 42 [Annals of the Carnegie Museum v. 11 (nos 3-4) (art. 15); ref. 15091] San Joaquín, upper Amazon River drainage, Bolivia. Holotype: FMNH 58143 [ex CM 7143]. Paratypes: FMNH [ex 7144] (14, 1 c&s). Type catalog: Henn 1928:74 [ref. 12305], Ibarra & Stewart 1987:6 [ref. 12367], Ferraris 2007:69 [ref. 29155]. •Valid as Ageneiosus madeirensis Fisher 1917 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus brevis Steindachner 1881 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155]). •Synonym of Tympanopleura rondoni (Miranda Ribeiro 1914) -- (Walsh et al. 2015:38 [ref. 33781]). Current status: Synonym of Tympanopleura rondoni (Miranda Ribeiro 1914). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

magdalenae, Auchenipterus Steindachner [F.] 1878:89 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 15 (no. 12) (for 9 May 1878); ref. 20476] Río Magdalena, Colombia. Syntypes: (several) NMW 47409-12 (1, 1, 1, 1). Type catalog: Ferraris 2007:79 [ref. 29155]. Species later illustrated and described in more detail in Steindachner 1879:36 [p. 20 of separate], Pl. 4 (fig. 1) [ref. 4227]. •Valid as Parauchenipterus magdalenae (Steindachner 1878) -- (Burgess 1989:242 [ref. 12860]). •Synonym of Trachycorystes insignis (Steindachner 1878) -- (Galvis et al. 1997:58 [ref. 23651]). •Synonym of Trachelyopterus insignis (Steindachner 1878) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155]). Current status: Synonym of Trachelyopterus insignis (Steindachner 1878). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

magoi, Ageneiosus Castillo [G. O.] & Brull G. [O.] 1989:73, Figs. 1-3, 5-9 [Acta Biologica Venezuelica v. 12 (no. 3-4); ref. 20541] Los esteros de Camaguán at kilometer 270, Estado Guárico, Venezuela. Holotype: MBUCV-V-15666. Paratypes: MBUCV (19 lots, 63 spec.); MCNG (3 lots, 14); MAC-PAY (1 lot, 3); MAC-APU (3 lots, 5); MHNLS (7 lots, 41). Type catalog: Lasso et al. 1997:44 [ref. 23639], Provenzano et al. 1998:3 [ref. 24196], Ferraris 2007:69 [ref. 29155]. •Synonym of Ageniosus vittatus Steindachner 1908 -- (Burgess & Finley 1996:167 [ref. 22901]). •Valid as Ageneiosus magoi Castillo & Brull G. 1989 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Schraml 2005:21 [ref. 28585], Ferraris 2007:69 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:102 [ref. 30759], Ribeiro et al. 2017:5, 46 [ref. 35133], DoNascimiento et al. 2017:86 [ref. 35633], Urbano-Bonilla et al. 2018:81 [ref. 35773], Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940]). Current status: Valid as Ageneiosus magoi Castillo & Brull G. 1989. Auchenipteridae: Auchenipterinae. Distribution: South America: Orinoco River basin (Venezuela and Colombia). Habitat: freshwater.

marmoratus, Ageneiosus Eigenmann [C. H.] 1912:206, Pl. 22 (fig. 1) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Creek below Potaro Landing, Guyana. Holotype (unique): FMNH 53245 [ex CM 1710]. Type catalog: Henn 1928:74 [ref. 12305], Ibarra & Stewart 1987:6 [ref. 12367], Ferraris 2007:69 [ref. 29155]. •Valid as Ageneiosus marmoratus Eigenmann 1912 -- (Burgess 1989:286 [ref. 12860], Burgess & Finley 1996:167 [ref. 22901], Ferraris in Reis et al. 2003:471 [ref. 27061], Schraml 2005:21 [ref. 28585], Ferraris 2007:69 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:103 [ref. 30759], Barriga Salazar 2014:115 [ref. 35745], DoNascimiento 2016:530 [ref. 34727]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Distribution: South America: Argentina, Ecuador, Guyana, Peru, Venezuela and Suriname [if valid]. Habitat: freshwater.

marquesi, Ageneiosus Risso [F. J. J.] & Risso [E. N. P. de] 1964:20, Pl. 6 (figs. 1, 2, 3, 5) [Notas del Museo de Ciencias Naturales del Chaco v. 1 (no. 1); ref. 21160] Río Paraná, Corrientes, Argentina. Holotype (unique): MCNCH 12-V-64-1. Type catalog: Ferraris 2007:70 [ref. 29155]. •Synonym of Ageneiosus militaris Valenciennes 1835 -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Ribeiro et al. 2017:52 [ref. 35133]). Current status: Synonym of Ageneiosus militaris Valenciennes 1835. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

marthae, Tatia Vari [R. P.] & Ferraris [C. J., Jr.] 2013:399, Fig. 2 [Copeia 2013 (no. 3); ref. 32917] Bolivar, Caño Cuchima of Río Cusimi, approximately 20 mi upstream from junction of Río Caura and Río Erebato at Entre Ríos, 5°45'N, 64°33'W, Venezuela. Holotype: ANSP 146201. Paratypes: ANSP 199070 (1). •Valid as Centromochlus marthae (Vari & Ferraris 2013) -- (Grant 2015:3 [ref. 33806] in subgenus Sauronglanis Grant 2015). •Valid as Tatia marthae Vari & Ferraris 2013 -- (Vari & Calegari 2014:673 [ref. 33612], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia marthae Vari & Ferraris 2013. Auchenipteridae: Centromochlinae. Distribution: Orinoco River basin, Venezuela and Colombia. Habitat: freshwater.

meesi, Tatia Sarmento-Soares [L. M.] & Martins-Pinheiro [R. F.] 2008:526, Figs. 30-32 [Neotropical Ichthyology v. 6 (no. 3); ref. 29857] Lower Potaro River (Essequibo River drainage), Waratuk cataract, 5°15'31.9"N, 59°24'01.0"W, Potaro-Siparuni, Guyana. Holotype: INHS 99772. Paratypes: ANSP 187407 [ex INHS 49549] (2); AUM 28140 (14); INHS 49549 (9, now 7, 1 c&s); MBML 2046 (3); MNRJ 287720 (3, 1 c&s). •Valid as Tatia meesi Sarmento-Soares & Martins-Pinheiro 2008 -- (Pavanelli & Bifi 2009:200 [ref. 30255], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia meesi Sarmento-Soares & Martins-Pinheiro 2008. Auchenipteridae: Centromochlinae. Distribution: Essequibo River basin, Guyana. Habitat: freshwater.

megalops, Centromochlus Kner [R.] 1858:430 [60], Pl. 8 (fig. 24) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Bogota, Colombia. Syntypes: NMW 47359-60 (1, 1). Type catalog: Ferraris 2007:00 [ref. 29155]. On p. 60 of separate. •Species inquirenda in Centromochlus -- (Ferraris 2007:73 [ref. 29155]). •Valid as Centromochlus megalops Kner 1858 -- (Ferraris in Reis et al. 2003:474 [ref. 27061], Grant 2015:4 [ref. 33806] in subgenus Centromochlus, see DoNascimiento et al. 2017:[22] [ref. 35679]). •Synonym of Centromochlus heckelii (De Filippi 1853). Current status: Synonym of Centromochlus heckelii (De Filippi 1853). Auchenipteridae: Centromochlinae. Habitat: freshwater.

melanoleuca, Tatia Vari [R. P.] & Calegari [B. B.] 2014:668, Figs. 1-2 [Neotropical Ichthyology v. 12 (no. 4); ref. 33612] Along border between Pará and Mato Grosso states, Jacareacanga, close to Sete Quedas rapids, rio Teles Pires, tributary to upper rio Tapajós basin, 9°20’38"S, 56°46’42"W, Brazil. Holotype: MZUSP 114670. Paratypes: MZUSP. •Valid as Tatia melanoleuca Vari & Calegari 2014 -- (Calegari et al. 2019:[82] [ref. 36961]). •Valid as Centromochlus melanoleucus (Vari & Calegari 2014) -- (Grant 2015:3 [ref. 33806] in subgenus Sauronglanis Grant 2015, Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196]). Current status: Valid as Centromochlus melanoleucus (Vari & Calegari 2014). Auchenipteridae: Centromochlinae. Distribution: Rio Teles Pires drainage, Brazil. Habitat: freshwater.

melanopogon, Ageneiosus Miranda Ribeiro [A. de] 1917:51 [Revista da Sociedade Brasileira de Sciências (Rio de Janeiro) v. 1; ref. 5742] Rio Solimões, Amazon River system, Brazil. Holotype (unique): whereabouts unknown. Type catalog: Ferraris 2007:68 [ref. 29155]. •Valid as Ageneiosus melanopogon Miranda Ribeiro 1917 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus atronasus Eigenmann & Eigenmann 1888 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:68 [ref. 29155]). •Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888) -- (Walsh et al.2015:14 [ref. 33781]). Current status: Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

melanopterum, Glanidium Miranda Ribeiro [A. de] 1918:643 [15] [Revista do Museu Paulista v. 10; ref. 3725] Piquete, Estado de São Paulo, Brazil. Lectotype: MZUSP [ex DZSASP] 345. Paralectotypes: (4) MZUSP [ex DZSASP] 2306 (1), 5259 (1). Type catalog and lectotype designation: Britski 1969:204 [ref. 12401]. Type catalog: Ferraris 2007:75 [ref. 29155]. On p. 15 of separate. •Valid as Glanidium melanopterum Miranda Ribeiro 1918 -- (Burgess 1989:241 [ref. 12860], Soares-Porto 1998:333 [ref. 23848], Ferraris in Reis et al. 2003:475 [ref. 27061], Sarmento-Soares & Buckup 2005:846 [ref. 28476], Ferraris 2007:75 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Birindelli 2014:535 [ref. 33501], Calegari et al. 2019:[81] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877]). Current status: Valid as Glanidium melanopterum Miranda Ribeiro 1918. Auchenipteridae: Centromochlinae. Distribution: Piquete, São Paulo State, Brazil. Habitat: freshwater.

melaphareus, Entomocorus Akama [A.] & Ferraris [C. J., Jr.] 2003:78, Figs. 1-2 [Neotropical Ichthyology v. 1 (no. 2); ref. 27321] Left bank of Amazon River, 2°13'46.2"S, 54°01'27.6"W, Costa do Curuá, Monte Alegre, Pará State, Brazil. Holotype: MZUSP 76413. Paratypes: MZUSP 76445 (1). Type catalog: Ferraris 2007:74 [ref. 29155]. •Valid as Entomocorus melaphareus Akama & Ferrrais 2003 -- (Reis & Borges 2006:416 [ref. 28794], Ferraris 2007:74 [ref. 29155], Calegari et al. 2019:[93] [ref. 36961]). Current status: Valid as Entomocorus melaphareus Akama & Ferraris 2003. Auchenipteridae: Auchenipterinae. Distribution: Lower and middle Amazon River, Brazil. Habitat: freshwater.

menezesi, Auchenipterus Ferraris [C. J., Jr.] & Vari [R. P.] 1999:426, Fig. 17 [Zoological Journal of the Linnean Society v. 126 (no. 4); ref. 23953] Lago de Viana, Rio Pindaré-Mirim basin, 3°14'S, 45°01'W, Maranhão, Brazil. Holotype: MZUSP 43591. Paratypes: ANSP 69637 (4); FMNH 58313 (6); NMW 47429 (4), 47431 (8), 47433-35 (4, 1, 1). Type catalog: Ferraris 2007:72 [ref. 29155]. •Valid as Auchenipterus menezesi Ferraris & Vari 1999 -- (Ferraris 2007:72 [ref. 29155], Ramos et al. 2014:4 [ref. 35321], Reis et al. 2016:17 [ref. 34496], Calegari et al. 2019:[96] [ref. 36961], Koerber et al. 2022:56 [ref. 39235], Vieira et al. 2023:20 [ref. 40759]). Current status: Valid as Auchenipterus menezesi Ferraris & Vari 1999. Auchenipteridae: Auchenipterinae. Distribution: South America: Paraíba and Pindaré-Mirim River basins (Brazil). Habitat: freshwater.

menezesi, Trachycorystes Britski [H. A.] & Akama [A.] 2011:274, Figs. 1, 2a [Neotropical Ichthyology v. 9 (no. 2); ref. 31386] Igarapé do Aeroporto, right bank tributary of rio Aripuanã, Mato Grosso State, Brazil. Holotype: MZUSP 104671. Paratypes: ANSP 191672 (5); INPA 35313 (5); MZUSP 37601 (62, 1 c&s), 63287 (4), 104672 (3). •Valid as Trachycorystes menezesi Britski & Akama 2011 -- (Calegari et al. 2019:[85] [ref. 36961]). Current status: Valid as Trachycorystes menezesi Britski & Akama 2011. Auchenipteridae: Auchenipterinae. Distribution: Rio Aripuanã drainage, Mato Grosso State, Brazil. Habitat: freshwater.

meridionalis, Centromochlus Sarmento-Soares [L. M.], Cabeceira [F. G.], Carvalho [L. N.], Zuanon [J.] & Akama [A.] 2013:799, Figs. 1-7 [Neotropical Ichthyology v. 11 (no. 4); ref. 33029] Mato Grosso, Cláudia, córrego Loanda, a small tributary of rio Roquete, rio Teles Pires basin, 11°25’33.1'S, 55°16’39.3'W, Brazil. Holotype: INPA 39684. Paratypes: INPA, MBML, MCP, MNRJ, UNT. •Valid as Centromochlus meridionalis Sarmento-Soares, Cabeceira, Carvalo, Zuanon & Akama 2013 -- (Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:3 [ref. 33806] in subgenus Ferrarissosoresia Grant 2015, Birindelli et al. 2015:860 [ref. 33961], Sarmento-Soares et al. 2017:[9] [ref. 35115]). •Valid as Ferrarissoaresia meridionalis (Sarmento-Soares, Cabeceira, Carvalo, Zuanon & Akama 2013) -- (Calegari et al. 2019:[76] [ref. 36961]). •Valid as Tatia meridionalis (Sarmento-Soares, Cabeceira, Carvalo, Zuanon & Akama 2013) -- (Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Ferrarissoaresia meridionalis (Sarmento-Soares, Cabeceira, Carvalho, Zuanon & Akama 2013). Auchenipteridae: Centromochlinae. Distribution: Rio Teles Pires drainage, Mato-Grosso state, Brazil. Habitat: freshwater.

militaris, Ageniosus Valenciennes [A.] 1835:Pl. 4 (fig. 1) [Voyage dans l'Amérique méridionale; ref. 20720] La Plata River, South America. Holotype (unique): MNHN B-0690, or B-0691 or B-3167. Type catalog: Ferraris 2007:69 [ref. 29155]. Original genus should have been Ageneiosus. Described later in Cuvier & Valenciennes 1840:233. Also in Valenciennes 1847:7 [ref. 5010]. Pl. 4 was published in 1835. •Valid as Ageneiosus militaris Valenciennes 1835 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155] dated 1836, Ribeiro & Rapp Py-Daniel 2010:103 [ref. 30759], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Bertaco et al. 2016:416 [ref. 34561], Nión et al. 2016:33 [ref. 35565] dated 1836, Ribeiro et al. 2017:5, 51 [ref. 35133], Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Reis et al. 2020:464 [ref. 38364], Loureiro et al. 2023:124 [ref. 40506]). Current status: Valid as Ageneiosus militaris Valenciennes 1835. Auchenipteridae: Auchenipterinae. Distribution: South America: Paraguay River basin (Argentina, Brazil, Paraguay and Uruguay). Habitat: freshwater.

moijiri, Spinipterus Rocha [M. S.], Rossoni [F.], Akama [A.] & Zuanon [J.] 2019:3, Figs. 1-7 [Journal of Fish Biology v. 96 (no. 1); ref. 37162] Rio Tapauá, Rio Purus basin, Amazonas, Brazil, 05°47'22"S, 64°33'33"W. Holotype: INPA 35625. Paratypes: IDSM, INPA. •Valid as Spinipterus moijiri Rocha, Rossoni, Akama & Zuanon 2019 -- (Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Spinipterus moijiri Rocha, Rossoni, Akama & Zuanon 2019. Auchenipteridae: Auchenipterinae. Distribution: South America: Rio Purus and Rio Japurá basins (Brazil) and Río Nanay (Peru). Habitat: freshwater.

morrowi, Liosomadoras Fowler [H. W.] 1940:226, Figs. 11-14 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 91 (for 1939); ref. 1432] Contamana, Río Ucayali basin, Peru. Holotype (unique): ANSP 68646. Type catalog: Böhlke 1984:99 [ref. 13621], Ferraris 2007:75 [ref. 29155]. •Synonym of Liosomadoras orcinus Jardine & Schomburgk 1841 -- (Mees 1978:272 [ref. 22765], Burgess 1989:241 [ref. 12860]). •Valid as Liosomadoras morrowi Fowler 1940 -- (Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris 2007:75 [ref. 29155], Birindelli & Zuanon 2012:6 [ref. 31908], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[84] [ref. 36961], Rocha et al. 2019:249 [ref. 37162], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Liosomadoras morrowi Fowler 1940. Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.

musaica, Tatia Royero [R.] 1992:301, Figs. 1-3, 4a, 5-6 [Acta Cientifica Venezolana v. 43 (no. 5); ref. 20844] Río Atuana, 12 kilometers from Caño Cabeza de Manteco, 4°47'N, 67°23'W, upper Orinoco drainage, Estado Amazonas, Venezuela. Holotype: MBUCV-V-15663. Paratypes: AMNH 58795 (3); CAS 67384 (2); MBUCV-V-17727 (18); MCNG 20346 (4); MHNLS 6303 (2). Type catalog: Lasso et al. 1998:44 [ref. 23639], Provenzano et al. 1998:19 [ref. 24196], Ferraris 2007:77 [ref. 29155]. Masculine would be musaicus if the name is an adjective. Ron Fricke (17 June 2015) suggests following the original author and treat the specific name as an adjective. •Synonym -- (see Soares-Porto 1998:333 [ref. 23848]). •Valid, but provisionally in Centromochlus -- (Sarmento-Soares & Martins-Pinheiro 2008:499 [ref. 29857]). •Valid as Tatia musaica Royero 1992 -- (Burgess & Finley 1996:166 [ref. 22901], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:77 [ref. 29155], Vari & Ferraris 2013:401 [ref. 32917], Vari & Calegari 2014:667 [ref. 33612]). •Valid as Centromochlus musaicus (Royero 1992) -- (Grant 2015:3 [ref. 33806] in subgenus Sauronglanis Grant 2015, Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196]). Current status: Valid as Centromochlus musaicus (Royero 1992). Auchenipteridae: Centromochlinae. Distribution: Atabapo and Autana River drainages in upper Orinoco River basin, Venezuela. Habitat: freshwater.

nanonocticolus, Gelanoglanis Soares-Porto [L. M.], Walsh [S. J.], Nico [L. G.] & Netto [J. M.] 1999:65, Fig. 1 [Ichthyological Exploration of Freshwaters v. 10 (no. 1); ref. 23671] Río Asisa, 22-30 kilometers upstream from confluence with Río Paru, Río Ventuari drainage, Orinoco River basin, about 4°33'N, 65°54'W, elevation 115 meters. Holotype: MCNG 22690. Paratypes: MCNG 36442 (1), MZUSP 28308 (2), UF 105681 (1), USNM 347131 (1). Type catalog: Ferraris 2007:74 [ref. 29155]. •Valid as Gelanoglanis nanonocticolus Soares-Porto, Walsh, Nico & Netto 1999 -- (Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris 2007:74 [ref. 29155], Rengifo et al. 2008:183 [ref. 29738], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Calegari et al. 2014:705 [ref. 33611], Calegari & Reis 2016:7 [1708], 9 [1710] [ref. 34846], Calegari et al. 2019:[74] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Gelanoglanis nanonocticolus Soares-Porto, Walsh, Nico & Netto 1999. Auchenipteridae: Centromochlinae. Distribution: Asisa River drainage, Orinoco River basin and Negro River basin: Brazil and Venezuela. Habitat: freshwater.

neivai, Glanidium Ihering [R. von] 1930:99, Pl. 13 (fig. 1) [Archivos do Instituto Biológico, São Paulo v. 3; ref. 16237] Rio Piracicaba, Piracicaba, São Paulo State, Brazil. Holotype (unique): whereabouts unknown. Type catalog: Ferraris 2007:77 [ref. 29155]. •Synonym of Tatia aulopygia (Kner 1858), but a valid subspecies -- (Mees 1988:409 [ref. 13382], Burgess 1989:242 [ref. 12860] with question). •Valid as Tatia neivai (Ihering 1930) -- (Soares-Porto 1998:333 [ref. 23848], Britski et al. 1999:113 [ref. 24147], Casatti et al. 2001:5 [ref. 25929], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:77 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:529 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Koerber 2014:6 [ref. 33621], Vari & Calegari 2014:673 [ref. 33612], Mirande & Koerber 2015:31 [ref. 35117], Koerber et al. 2017:47 [ref. 35267], Calegari et al. 2019:[82] [ref. 36961], Dickens 2019:171 [ref. 37135], Reis et al. 2020:464 [ref. 38364], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia neivai (Ihering 1930). Auchenipteridae: Centromochlinae. Distribution: South America: upper Paraguay River basin (Argentina, Brazil and Paraguay). Habitat: freshwater.

nigra, Tatia Sarmento-Soares [L. M.] & Martins-Pinheiro [R. F.] 2008:532, Figs. 36-39 [Neotropical Ichthyology v. 6 (no. 3); ref. 29857] Uatimã River, about 2°14'35"S, 58°49'58"W, Amazonas, Brazil. Holotype: INPA 12291. Paratypes: INPA 11073 (1), 11075 (1), 11081 (6), 12296 (1), 25501 (1); MNRJ 12358 (3), 32024 (2, 1 c&s) •Valid as Tatia nigra Sarmento-Soares & Martins-Pinheiro 2008 -- (Pavanelli & Bifi 2009:200 [ref. 30255], Vari & Calegari 2014:673 [ref. 33612], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia nigra Sarmento-Soares & Martins-Pinheiro 2008. Auchenipteridae: Centromochlinae. Distribution: Amazon and Orinoco River basins: Brazil and Colombia. Habitat: freshwater.

nigricollis, Tympanopleura Eigenmann [C. H.] & Allen [W. R.] 1942:139, Pls. 5 (figs. 2-3), 6 (fig. 3) [Fishes of western South America; ref. 1246] Iquitos, upper Amazon River basin, Peru. Holotype: CAS 57940 [ex IU 15788]. Paratypes: CAS 57941 [ex IU 15788b-d] (3), CAS 57942 [ex IU 15789] (1). Type catalog: Ferraris 2007:68 [ref. 29155]. •Valid as Tympanopleura nigricollis Eigenmann & Allen 1942 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus atronasus Eigenmann & Eigenmann 1888 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:68 [ref. 29155]). •Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888) -- (Walsh et al.2015:14 [ref. 33781]). Current status: Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

nigripinnis, Euanemus Boulenger [G. A.] 1895:524 [Proceedings of the Zoological Society of London 1895 (pt 3); ref. 14576] Paraguay. Lectotype: BMNH 1895.5.17.37. Paralectotypes: (3) BMNH 1895.5.17.38-39 (2). Type catalog: Ferraris 2007:72 [ref. 29155]. Lectotype selected by Ferraris & Vari 1999:433 [ref. 23953]. •Valid as Auchenipterus nigripinnis (Boulenger 1895) -- (Burgess 1989:241 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791], Ferraris & Vari 1999:429 [ref. 23953], Britski et al. 1999:114 [ref. 24147], Ferraris in Reis et al. 2003:473 [ref. 27061], López et al. 2003:55 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:72 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Sarmiento et al. 2014:143, 189 [ref. 35004], Mirande & Koerber 2015:30 [ref. 35117], Bertaco et al. 2016:416 [ref. 34561], Nión et al. 2016:33 [ref. 35565], Koerber et al. 2017:46 [ref. 35267], Calegari et al. 2019:[96] [ref. 36961], Loureiro et al. 2023:124 [ref. 40506]). Current status: Valid as Auchenipterus nigripinnis (Boulenger 1895). Auchenipteridae: Auchenipterinae. Distribution: South America: La Plata River basin (Argentina, Brazil, Bolivia, Paraguay and Uruguay). Habitat: freshwater.

nigrolineatus, Pseudauchenipterus Fowler [H. W.] 1911:434, Fig. 5 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 63; ref. 1383] Pedernales, Venezuela. Holotype: ANSP 37876. Paratypes: ANSP 37877 (1), FMNH 55903 [ex ANSP 37878, ex CM] (1). Type catalog: Böhlke 1984:25 [ref. 13621], Ibarra & Stewart 1987:70 [ref. 12367], Ferraris 2007:76 [ref. 29155]. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

nodosus, Silurus Bloch [M. E.] 1794:35, Pl. 368 (fig. 1) [Naturgeschichte der ausländischen Fische v. 8; ref. 463] Tranquebar [Tharangambadi], India [actual is South America]. Lectotype: ZMB 3097. Paralectotypes: ZMB ?3096 (1, not found). Type catalog: Paepke 1999:47 [ref. 24282], Ferraris 2007:76 [ref. 29155]. On p. 26 of Bloch's Ichthyologie, v. 11 [ref. 21381]. Lectotype selected by Paepke 1999:47 [ref. 24282]. •Valid as Pseudauchenipterus nodosus (Bloch 1794) -- (Mees 1986:313 [ref. 5693], Burgess 1989:241 [ref. 12860], Cervigón 1992:264 [ref. 23827], Le Bail et al. 2000:62 [ref. 24549], Camargo & Isaac 2001:145 [ref. 27639], Ferraris 2003:853 [ref. 26999], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Phillip et al. 2013:17 [ref. 32896], Marceniuk et al. 2017:39 [ref. 35324], Calegari et al. 2019:[92] [ref. 36961], Koerber et al. 2022:57 [ref. 39235], Lasso & Lasso-Alcalá in Lasso & Morales-Betancourt 2022:142 [ref. 40783], Gurgel-Lourenço et al. 2023:75 [ref. 41056]). Current status: Valid as Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Distribution: South America: lower reaches of rivers and in estuaries (Brazil, French Guiana, Guyana, Suriname, Trinidad and Tobago, and Venezuela). Habitat: freshwater, brackish.

nuchalis, Hypophthalmus Spix [J. B. von] & Agassiz [L.] 1829:17, Pl. 17 [Selecta genera et species piscium quos in itinere per Brasiliam; ref. 13] Rio Capim, near São Domingos do Capim, at Igarapé Pirajauara, about 1°41'S, 47°47'W, Pará, Brazil [lower Amazon basin]. Neotype: MZUSP 47945. Type catalog: Ferraris 2007:72 [ref. 29155]. Name first published in Cuvier 1829 [ref. 995]. •Valid as Auchenipterus nuchalis (Spix & Agassiz 1829) -- (Ortega & Vari 1986:13 [ref. 9708], Mees 1986:312 [ref. 5693], Burgess 1989:241 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791], Sverlij et al. 1998:46 [ref. 27632], Ferraris & Vari 1999:434 [ref. 23953], Britski et al. 1999:114 [ref. 24147], Le Bail et al. 2000:60 [ref. 24549], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155], Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:143, 189 [ref. 35004], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[96] [ref. 36961], Silvano et al. 2020:212 [ref. 38135], Meza-Vargas et al. 2021:22 [ref. 39298], Koerber et al. 2022:56 [ref. 39235]). Current status: Valid as Auchenipterus nuchalis (Spix & Agassiz 1829). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon and Orinoco River basins (Guyana, Brazil, Ecuador, Colombia, Bolivia, Peru and French Guiana). Habitat: freshwater.

obesus, Arius Jardine [W.] in Schomburgk 1841:174 [The Natural history of fishes of Guiana; ref. 18707] Rio Branco, South America. Type catalog: Ferraris 2007:81 [ref. 29155]. Provisionally placed in Arius. •Species inquirenda in family Auchenipteridae -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:81 [ref. 29155]). Auchenipteridae. Distribution: Northern South America.

obscurus, Auchenipterus Günther [A.] 1863:442 [Annals and Magazine of Natural History (Series 3) v. 12 (no. 72); ref. 1973] Essequibo River, Guyana. Syntypes: BMNH 1864.1.21.13-14 (2). Type catalog: Ferraris 2007:1 [ref. 29155]. Also appeared in Günther 1864:195 [ref. 1974]. •Valid as Trachycorystes obscurus (Günther 1863) -- (Ferraris in Reis et al. 2003:479 [ref. 27061]). •Synonym of Trachycorystes trachycorystes (Valenciennes 1840) -- (Ferraris 2007:81 [ref. 29155], Britski & Akama 2011:274 [ref. 31386], Birindelli 2014:535 [ref. 33501]). Current status: Synonym of Trachycorystes trachycorystes (Valenciennes 1840). Auchenipteridae: Auchenipterinae. Distribution: Essequibo River basin, Guyana [if valid]. Habitat: freshwater.

ogilviei, Ageneiosus Fowler [H. W.] 1914:266, Fig. 15 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 66; ref. 1390] Rupununi River, Guyana, 2°-3°N, 50°20'W. Holotype (unique): ANSP 39343. Type catalog: Böhlke 1984:17 [ref. 13621], Ferraris 2007:69 [ref. 29155]. •Valid as Ageneiosus ogilviei Fowler 1914 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

oncinus, Arius Jardine [W.] in Schomburgk 1841:173, Pl. 4 [The Natural history of fishes of Guiana; ref. 18707] Padauiri River, Brazil. Syntypes: SMF 2669 [ex RMNH] (1, dry). Type catalog: Ferraris 2007:75 [ref. 29155]. Name spelled oncina in figure caption, oncinus in text; provisionally placed in Arius. Apparently Mees 1978:270 [ref. 22765] serves as first reviser selecting oncinus. •Valid as Liosomadoras oncinus (Jardine 1841) -- (Mees 1978:270 [ref. 22765], Ortega & Vari 1986:13 [ref. 9708], Burgess 1989:241 [ref. 12860], de Pinna 1998:311 [ref. 23847], Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris 2007:75 [ref. 29155], Akama & Ferraris 2011:59 [ref. 31467], Birindelli & Zuanon 2012:2 [ref. 31908], Birindelli 2014:535 [ref. 33501], DoNascimiento 2016:531 [ref. 34727], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[84] [ref. 36961]). Current status: Valid as Liosomadoras oncinus (Jardine 1841). Auchenipteridae: Auchenipterinae. Distribution: Amazon River basin: Brazil, Colombia and Venezuela. Habitat: freshwater.

orca, Centromochlus Sarmento-Soares [L. M.], Lazzarotto [H.], Rapp Py-Daniel [L. H.] & Leitão [R. P.] 2017:[2], Figs. 1-3, 4a, 5a, 6-9 [Neotropical Ichthyology v. 14 (no. 4); ref. 35115] Mouth of Igarapé Jamari with lago de Terra Santa, Terra Santa, rio Nhamundá basin, Pará, Brazil, 02°00'04"S, 56°31'08"W. Holotype: INPA 50870. Paratypes: INPA, MBML, MNRJ, MPEG, MZUEL. Plus non-type material. •Valid as Tatia orca (Sarmento-Soares, Lazzarotto, Rapp Py-Daniel & Leitão 2017) -- (Calegari et al. 2019:[82] [ref. 36961]). •Valid as Centromochlus orca Sarmento-Soares, Lazzarotto, Rapp Py-Daniel & Leitão 2017 -- (Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196]). Current status: Valid as Centromochlus orca Sarmento-Soares, Lazzarotto, Rapp Py-Daniel & Leitão 2017. Auchenipteridae: Centromochlinae. Distribution: Rio Nhamundá basin, Brazil. Habitat: freshwater.

osteomystax, Ceratocheilus Miranda Ribeiro [A. de] 1918:644 [16], Pl. [Revista do Museu Paulista v. 10; ref. 3725] Rio Vermelho, Santa Rita das Anitas, Goiás State, Brazil. Holotype (unique): MZUSP [ex DZSASP] 2317. Type catalog: Britski 1969:205 [ref. 12401], Ferraris 2007:72 [ref. 29155]. On p. 16 of separate. •Synonym of Auchenipterus nuchalis (Spix & Agassiz 1829) -- (Burgess 1989:241 [ref. 12860]). •Valid as Auchenipterus osteomystax (Miranda Ribeiro 1918) -- (Ferraris & Vari 1999:439 [ref. 23953], Ferraris in Reis et al. 2003:474 [ref. 27061], López et al. 2003:55 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:72 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Sarmiento et al. 2014:143, 189 [ref. 35004], Mirande & Koerber 2015:30 [ref. 35117], Bertaco et al. 2016:416 [ref. 34561], Koerber et al. 2017:46 [ref. 35267], Calegari et al. 2019:[96] [ref. 36961], Reis et al. 2020:464 [ref. 38364], Loureiro et al. 2023:124 [ref. 40506]). Current status: Valid as Auchenipterus osteomystax (Miranda Ribeiro 1918). Auchenipteridae: Auchenipterinae. Distribution: South America: La Plata River basin, Tocantins River, and several rivers in lower Amazon River basin (Argentina, Brazil, Bolivia, Paraguay and Uruguay). Habitat: freshwater.

pan, Gelanoglanis Calegari [B. B.], Reis [R. E.] & Vari [R. P.] 2014:701, Figs. 1-2, 4-5 [Neotropical Ichthyology v. 12 (no. 4); ref. 33611] Mato Grosso State, Itaúba, rio Teles Pires, tributary to upper rio Tapajós basin, 10°58’30"S, 55°44’3"W, Brazil. Holotype: MZUSP 114669. Paratypes: MCP, MZUSP, USNM. •Valid as Gelanoglanis pan Calegari, Reis & Vari 2014 -- (Calegari & Reis 2016:7 [1708] [ref. 34846], Calegari et al. 2019:[74] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Gelanoglanis pan Calegari, Reis & Vari 2014. Auchenipteridae: Centromochlinae. Distribution: Rio Teles Pires drainage, upper Tapajós River basin, Mato Grosso, Brazil. Habitat: freshwater.

pardalis, Ageneiosus Lütken [C. F.] 1874:190 [1] [Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn, Aaret 1874 (nos 12-16); ref. 17564] Caracas, Venezuela [may be in error]. Holotype (unique): ZMUC P 29664 [ex 207]. Type catalog: Nielsen 1974:51 [ref. 9588], Ferraris 2007:70 [ref. 29155]. On p. 1 of separate. •Valid as Ageneiosus pardalis Lütken 1874 -- (Burgess & Finley 1996:167 [ref. 22901], de Pinna 1998:311 [ref. 23847], Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:103 [ref. 30759], Ribeiro et al. 2017:5, 58 [ref. 35133], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940]). Current status: Valid as Ageneiosus pardalis Lütken 1874. Auchenipteridae: Auchenipterinae. Distribution: Lake Maracaibo basin and Magdalena, Cauca, San Juan and Tuira River basins: Colombia, Panama and Venezuela. Habitat: freshwater.

parnaguensis, Ageneiosus Steindachner [F.] 1910:399, Figured [Annalen des Naturhistorischen Museums in Wien v. 24 (nos. 3-4) (for 1910-1911); ref. 10014] Lake Parnaguá, Piauhy State, Brazil. Syntypes: NMW 47832 (1), 47837-38 (1, 2). Type catalog: Ferraris 2007:70 [ref. 29155]. •Valid as Ageneiosus parnaguensis Steindachner 1910 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus ucayalensis Castelnau 1855 -- (Ferraris in Reis et al. 2003:472 [ref. 27061] with question, Ferraris 2007:70 [ref. 29155] with question, Mirande & Koerber 2015:30 [ref. 35117]). •Synonym of Ageneiosus dentatus Kner 1858 -- (Ribeiro et al. 2017:18 [ref. 35133]). Current status: Synonym of Ageneiosus dentatus Kner 1858. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

parva, Pseudotatia Mees [G. F.] 1974:105, Fig. 29 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Joazeiro, Brazil. Holotype: FMNH 70580. Paratypes: FMNH 57807 [not 57803] (16, now 13, 2 c&s); RMNH 26600 [ex FMNH 57807] (3). Type catalog: Ibarra & Stewart 1987:71 [ref. 12367], Ferraris 2007:77 [ref. 29155]. •Valid as Pseudotatia parva Mees 1974 -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:77 [ref. 29155], Birindelli 2014:535 [ref. 33501], Calegari et al. 2019:[77] [ref. 36961], Silva et al. 2020:9 [ref. 37809], Sarmento-Soares & Martins-Pinheiro 2020:132 [ref. 37877] in Auchenipterinae). Current status: Valid as Pseudotatia parva Mees 1974. Auchenipteridae: Auchenipterinae. Distribution: South America: São Francisco River basin (Brazil). Habitat: freshwater.

paseae, Parauchenipterus Regan [C. T.] 1906:387, Pl. 23 [Proceedings of the Zoological Society of London 1906 (pt 2) (art. 1) (for 10 Apr. 1906); ref. 15700] Caroni River, Trinidad Island, West Indies. Holotype (unique): BMNH 1906.6.23.48. Type catalog: Ferraris 2007:79 [ref. 29155]. •Synonym of Trachelyopterus galeatus (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:79 [ref. 29155], Koerber & Litz 2014:3 [ref. 34967], Koerber & Litz 2016:3 [ref. 35098], Koerber et al. 2017:46 [ref. 35267]). Current status: Synonym of Trachelyopterus galeatus (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

paysanduanus, Auchenipterus Devincenzi [G. J.] 1933:2 [Anales del Museo Nacional de Historia Natural de Montevideo (Serie 2) v. 4 (no. 3); ref. 16419] Río Uruguay at Paysandú, Uruguay. Holotype: MHNM 4889 [ex CI 318]. Paratypes: (3) MACN 4886 (1). Type catalog: Olazarri et al. 1970:3 [ref. 23527], Braga & Piacentino 1994:104 [ref. 23697], Ferraris 2007:72 [ref. 29155], Loureiro et al. 2016:412 [ref. 35150]. •Valid as Auchenipterus paysanduanus Devincenzi 1933 -- (Burgess 1989:241 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791]). •Synonym of Auchenipterus nigripinnis (Boulenger 1895) -- (Ferraris & Vari 1999:429 [ref. 23953], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris 2007:72 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Koerber et al. 2017:46 [ref. 35267]). Current status: Synonym of Auchenipterus nigripinnis (Boulenger 1895). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

peloichthys, Trachycorystes insignis Schultz [L. P.] 1944:236, Pl. 4 (fig. A) [Proceedings of the United States National Museum v. 94 (no. 3172); ref. 3959] Río Agua Caliente, 2-3 kilometers above Lake Maracaibo, Venezuela. Holotype: USNM 121281. Paratypes: MCZ 37212 [ex USNM 121282] (1), USNM 121282 (4, now 3). Type catalog: Ferraris & Vari 1992:11 [ref. 19771], Ferraris 2007:80 [ref. 29155]. •Synonym of Trachycorystes insignis (Steindachner 1878), but a valid subspecies as described -- (Galvis et al. 1997:58 [ref. 23651]). •Synonym of Parauchenipterus insignis (Steindachner 1878), but a valid subspecies as described -- (González Bencomo et al. 1997:158 [ref. 24960]). •Valid as Trachelyopterus peloichthys (Schultz 1944) -- (Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:80 [ref. 29155], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[90] [ref. 36961]). Current status: Valid as Trachelyopterus peloichthys (Schultz 1944). Auchenipteridae: Auchenipterinae. Distribution: Maracaibo River basin, Venezuela and Colombia. Habitat: freshwater.

perugiae, Centromochlus Steindachner [F.] 1882:178 [Anzeiger der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftlichen Klasse v. 19 (no. 19); ref. 20487] Canelos, eastern Ecuador. Syntypes: (several) NMW 47358 (3), SMF 5355 [ex NMW] (1). Type catalog: Ferraris 2007:73 [ref. 29155]. Species later illustrated and described in more detail in Steindachner 1882:29, Pl. 7 (figs. 2-2a) [ref. 14353]. •Valid as Tatia perugiae (Steindachner 1882) -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:242 [ref. 12860], Mees 1988:409 [ref. 13382], Soares-Porto 1995:205 [ref. 21882], Ferraris in Reis et al. 2003:477 [ref. 27061], Barriga S. 2012:116 [ref. 35745], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). •Valid as Centromochlus perugiae Steindachner 1882 -- (Ovchynnyk 1967:34 [ref. 37559], Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:282 [ref. 25085], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029], Barriga Salazar 2014:115 [ref. 35745], Sarmiento et al. 2014:144, 189 [ref. 35004], Birindelli et al. 2015:860 [ref. 33961], Grant 2015:1 [ref. 33806] in subgenus Duringlanus Grant 2015, Sarmento-Soares & Birindelli 2015:84 [ref. 33780], DoNascimiento et al. 2017:85 [ref. 35633], Sarmento-Soares et al. 2017:[9] [ref. 35115]). •Valid as Duringlanis perugiae (Steindachner 1882) -- (Calegari et al. 2019:[79] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Duringlanis perugiae (Steindachner 1882). Auchenipteridae: Centromochlinae. Distribution: South America: upper Amazon River and upper Paraguay basins (Colombia, Bolivia, Ecuador and Peru). Habitat: freshwater.

piperata, Tympanopleura Eigenmann [C. H.] 1912:203, Pl. 20 (fig. 3) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Crab Falls, Essequibo River, Guyana. Holotype: FMNH 53243 [ex CM 1708]. Paratypes: (7) BMNH 1911.10.31.102 (1), CAS 58382 [IU 12090] (3), FMNH 53244 (1), MCZ 30189 [ex CM] (1). Type catalog: Henn 1928:75 [ref. 12305], Ibarra & Stewart 1987:84 [ref. 12367], Ferraris 2007:70 [ref. 29155]. •Valid as Ageneiosus piperatus (Eigenmann 1912) -- (see Burgess & Finley 1996:167 [ref. 22901], Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:103 [ref. 30759]). •Valid as Tympanopleura piperata Eigenmann 1912 -- (Burgess 1989:286 [ref. 12860], Walsh et al. 2014:33 [ref. 33781], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[98] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tympanopleura piperata Eigenmann 1912. Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru) and Guyana. Habitat: freshwater.

piresi, Glanidium Miranda Ribeiro [A. de] 1920:14, Unnum. Pls. 15-17 [Peixes (excl. Characinidae) No. 58 (Annexo 5); ref. 3727] Rio São Manoel, Mato Grosso, Brazil. Possible type specimen: MNRJ 264 [dry] lost? Type catalog: Ferraris 2007:78 [ref. 29155]. •Valid as Tocantinsia piresi (Miranda Ribeiro 1920) -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:78 [ref. 29155], Calegari et al. 2019:[84] [ref. 36961]). Current status: Valid as Tocantinsia piresi (Miranda Ribeiro 1920). Auchenipteridae: Auchenipterinae. Distribution: Upper Tocantins River basin, Brazil. Habitat: freshwater.

polystictus, Ageneiosus Steindachner [F.] 1915:217 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 52 (no. 18); ref. 18909] Mouth of Negro River, Amazon system, Brazil. Holotype (unique): NMW 47839. Type catalog: Ferraris 2007:70 [ref. 29155]. Species later illustrated and described in Steindachner 1917:84 [p. 70 of separate] Pl. 6 (figs. 1-3), genus misspelled Agenciosus on pp. 84 and 106, correctly on plate legend; this main work was released as a separate in 1915 [ref. 4244]. •Valid as Ageneiosus polystictus Steindachner 1915 -- (Burgess 1989:286 [ref. 12860], Burgess & Finley 1996:167 [ref. 22901], Ferraris 2007:70 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:103 [ref. 30759], Ribeiro et al. 2017:5, 64 [ref. 35133], Calegari et al. 2019:[99] [ref. 36961], Bogotá-Gregory et al. 2020:1401 [ref. 37878], Hashimoto et al. 2020:[3] 16 [ref. 37940], Silvano et al. 2020:207 [ref. 38135]). Current status: Valid as Ageneiosus polystictus Steindachner 1915. Auchenipteridae: Auchenipterinae. Distribution: South America: Rio Negro and lower Branco River basins (Brazil and Colombia). Habitat: freshwater.

porosus, Trachycorystes Eigenmann [C. H.] & Eigenmann [R. S.] 1888:154 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] Brazil. Syntypes: MCZ 7351 (2). Type catalog: Ferraris 2007:81 [ref. 29155]. •Species inquirenda in family Auchenipteridae -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:81 [ref. 29155]). •Valid as Trachycorystes pororsus (Eigenmann & Eigenmann 1888) -- (Careaga et al. 2020:77 [ref. 37774]). •Valid as Trachelyopterus porosus (Eigenmann & Eigenmann 1888) -- (Calegari et al. 2019:[90] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Trachelyopterus porosus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Distribution: South America: Bolivia, Brazil and Peru. Habitat: freshwater.

porphyreus, Ageniosus Cope [E. D.] 1867:404 [Transactions of the American Philosophical Society (New Series) v. 13 (pt 3) (art. 13); ref. 18027] Suriname. Lectotype: ANSP 8389. Paralectotypes: ANSP 8388 (1). Type catalog: Böhlke 1984:17 [ref. 13621], Ferraris 2007:70 [ref. 29155]. Original genus is correctly Ageneiosus. Lectotype established by Fowler 1915:224 [ref. 1392]. •Valid as Ageneiosus porphyreus Cope 1867 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus ucayalensis Castelnau 1855 -- (Ferraris in Reis et al. 2003:472 [ref. 27061] with question, Ferraris 2007:70 [ref. 29155] with question, Mirande & Koerber 2015:30 [ref. 35117], Ribeiro et al. 2017:69 [ref. 35133]). Current status: Synonym of Ageneiosus ucayalensis Castelnau 1855. Auchenipteridae: Auchenipterinae. Distribution: South America. Habitat: freshwater.

punctata, Tatia Mees [G. F.] 1974:88, Figs. 10c, 24 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Creeks between Kabel and Lombé, Suriname. Holotype: RMNH 26495. Paratypes: RMNH 26494 (2), 26496-97 (3, 1); ZMA 105525 (3). Type catalog: Nijssen et al. 1982:63 [ref. 19236], Ferraris 2007:73 [ref. 29155]. •Valid as Centromochlus punctatus (Mees 1974) -- (Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:281 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:2 [ref. 33806], but a valid subgenus Balroglanis Grant 2015, Sarmento-Soares et al. 2017:[9] [ref. 35115]). •Valid as Tatia punctata Mees 1974 -- (Burgess 1989:242 [ref. 12860], Soares-Porto 1995:205 [ref. 21882], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia punctata Mees 1974. Auchenipteridae: Centromochlinae. Distribution: Atlantic coastal rivers above Amazon River mouth, Suriname. Habitat: freshwater.

punctatus, Auchenipterus Valenciennes [A.] in Cuvier & Valenciennes 1840:219 [Histoire naturelle des poissons v. 15; ref. 1008] Probably Brazil. Holotype (unique): MNHN B-0216. Type catalog: Royero & Hureau 1996:374 [ref. 22752], Ferraris 2007:71 [ref. 29155]. •Valid as Auchenipterichthys punctatus (Valenciennes 1840) -- (Royero & Hureau 1996:374 [ref. 22752], Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris et al. 2005:99 [ref. 28560], Ferraris 2007:71 [ref. 29155], Barriga Salazar 2014:115 [ref. 35745], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[86] [ref. 36961]). Current status: Valid as Auchenipterichthys punctatus (Valenciennes 1840). Auchenipteridae: Auchenipterinae. Distribution: Upper Amazon, Orinoco and Negro River basins: Brazil, Ecuador, Colombia and Venezuela. Habitat: freshwater.

quadrifilis, Ageneiosus Kner [R.] 1858:442 [72], Pl. 9 (fig. 29) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Rio Guaporé, Brazil. Holotype (unique): NMW 43343. Type catalog: Ferraris 2007:78 [ref. 29155]. On p. 72 of separate. •Valid as Tetranematichthys quadrifilis (Kner 1858) -- (Burgess 1989:286 [ref. 12860], de Pinna 1998:311 [ref. 23847], Ferraris in Reis et al. 2003:477 [ref. 27061], Schraml 2005:22 [ref. 28585], Vari & Ferraris 2006:177 [ref. 28680] with redefined range, Ferraris 2007:78 [ref. 29155], Peixoto & Wosiaki 2010:69 [ref. 30757], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:190 [ref. 35004], DoNascimiento 2016:539 [ref. 34727], see DoNascimiento et al. 2017:[22] [ref. 35679], Calegari et al. 2019:[97] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tetranematichthys quadrifilis (Kner 1858). Auchenipteridae: Auchenipterinae. Distribution: South America: Guaporé River, southwestern portions of Amazon River basin (Brazil, Bolivia, Peru) and ?Venezuela. Habitat: freshwater.

radiosus, Entomocorus Reis [R. E.] & Borges [T. A. K.] 2006:416, Figs. 1D, 6-7 [Copeia 2006 (no. 3); ref. 28794] Rio Paraguay at neighborhoods of Cáceres, about 16°03'S, 57°42'W, Mato Grosso, Brazil. Holotype: MCP 35902. Paratypes: MCP 24296 (9 + 1 c&s), 35903 (1), 35904 (9 + 1 c&s), 38966 (3); MZUSP 36353 (1), 52519 (6); NUP 2216 (24) Type catalog: Oliveira et al. 2022:31 [ref. 39255]. •Valid as Entomocorus radiosus Reis & Borges 2006 -- (Ferraris 2007:443 [ref. 29155], Birindelli 2014:535 [ref. 33501], Calegari et al. 2019:[93] [ref. 36961]). Current status: Valid as Entomocorus radiosus Reis & Borges 2006. Auchenipteridae: Auchenipterinae. Distribution: Paraguay River basin, Brazil. Habitat: freshwater.

reticulata, Tatia Mees [G. F.] 1974:90, Fig. 25 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Karanambo, Rupununi, Guyana. Holotype: BMNH 1972.7.27.702. Paratypes: BMNH 1972.7.27.703-704 (2), RMNH 26744 (4). Type catalog: Ferraris 2007:73 [ref. 29155]. •Valid as Centromochlus reticulatus (Mees 1974) -- (Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:282 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:2 [ref. 33806] in subgenus Balroglanis Grant 2015, Sarmento-Soares et al. 2017:[9] [ref. 35115], DoNascimiento et al. 2017:85 [ref. 35633]). •Valid as Tatia reticulata Mees 1974 -- (Burgess 1989:242 [ref. 12860], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Cortés Hernández et al. 2023:456 [ref. 40760]). Current status: Valid as Tatia reticulata Mees 1974. Auchenipteridae: Centromochlinae. Distribution: South America: Amazon River basin (Guyana and Colombia). Habitat: freshwater.

ribeiroi, Glanidium Haseman [J. D.] 1911:381, Pl. 78 [Annals of the Carnegie Museum v. 7 (nos 3-4) (19); ref. 2048] Rio Iguaçú, Porto União da Victoria, Paraná, Brazil. Holotype: FMNH 54253 [ex CM 2877]. Paratypes: FMNH 54243 [ex CM 2683 a-e] (5). Type catalog: Henn 1928:73 [ref. 12305], Ibarra & Stewart 1987:39 [ref. 12367], Ferraris 2007:75 [ref. 29155]. •Valid as Glanidium ribeiroi Haseman 1911 -- (Burgess 1989:242 [ref. 12860], Miquelarena et al. 1997:69 [ref. 23469], Gómez & Chebez 1996:58 [ref. 23791], Soares-Porto 1998:333 [ref. 23848], Miquelarena et al. 2002:77 [ref. 26517], Ferraris in Reis et al. 2003:475 [ref. 27061], López et al. 2003:55 [ref. 27366], Menni 2004:83 [ref. 28131], Sarmento-Soares & Buckup 2005:846 [ref. 28476], Ferraris 2007:75 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2013:265 [ref. 32754], Mirande & Koerber 2015:31 [ref. 35117], Calegari et al. 2019:[81] [ref. 36961], Reis et al. 2020:464 [ref. 38364], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877]). Current status: Valid as Glanidium ribeiroi Haseman 1911. Auchenipteridae: Centromochlinae. Distribution: South America: Iguaçu River basin (Argentina and Brazil). Habitat: freshwater.

robustus, Auchenipterus Günther [A.] 1864:197 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Demerara, Guyana. Holotype (unique): BMNH 2005.9.12.3. Type catalog: Ferraris 2007:80 [ref. 29155]. •Species inquirenda in Trachelyopterus -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155]). Auchenipteridae: Auchenipterinae. Distribution: Guyana. Habitat: freshwater.

romani, Tatia Mees [G. F.] 1988:412, Figs. 3-4 [Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen (Series C, Biological and Medical Sciences) v. 91 (no. 4); ref. 13382] Río Guarapiche, affluent of River San Juan, near Monagas, Venezuela. Holotype: RMNH 30490. Paratypes: RMNH 30491 (4). Type catalog: Ferraris 2007:73 [ref. 29155]. •Valid as Tatia romani Mees 1988 -- (Burgess & Finley 1996:166 [ref. 22901], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Cortés Hernández et al. 2023:456 [ref. 40760]). •Valid as Centromochlus romani (Mees 1988) -- (Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:282 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:1 [ref. 33806] with question in subgenus Duringlanis Grant 2015, Sarmento-Soares et al. 2017:[9] [ref. 35115], DoNascimiento et al. 2017:85 [ref. 35633], Urbano-Bonilla et al. 2018:81 [ref. 35773]). •Valid as Duringlanis romani (Mees 1988) -- (Calegari et al. 2019:[79] [ref. 36961]). Current status: Valid as Duringlanis romani (Mees 1988). Auchenipteridae: Centromochlinae. Distribution: South America: Orinoco River basin (Venezuela and Colombia). Habitat: freshwater.

rondoni, Ageneiosus Miranda Ribeiro [A. de] 1914:12, Pls. 1 (fig. 3), 2 (figs. 3-4) [Pimelodidae, Trachycorystidae, Cetopsidae, Bunocephalidae, Auchenipteridae, e Hypophthalmidae. Annexo no. 5; ref. 17771] Rio Negro at Mañaos, Brazil. Lectotype: MNRJ 962A. Paralectotypes: MNRJ 962 (1). Type catalog: Miranda Ribeiro 1955:394 [ref. 12732], Ferraris 2007:69 [ref. 29155]. Lectotype selected by Miranda Ribeiro 1953:394 [ref. 12732] [but perhaps specimen not isolated]. •Valid as Ageneiosus rondoni Miranda Ribeiro 1914 -- (Burgess 1989:286 [ref. 12860], Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Walsh et al. 2015:38 [ref. 33781]). •Valid as Tympanopleura rondoni (Miranda Ribeiro 1914) -- (Calegari et al. 2019:[98] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940]). Current status: Valid as Tympanopleura rondoni (Miranda Ribeiro 1914). Auchenipteridae: Auchenipterinae. Distribution: South America: Negro River basin (Brazil and Bolivia). Habitat: freshwater.

schomburgkii, Davalla Bleeker [P.] 1858:64 [Acta Societatis Regiae Scientiarum Indo-Neêrlandicae v. 4 (art. 2); ref. 365] Junction of Rupununi and Essequibo rivers, Guyana and Fort St. Joaquim, Rio Branco, Brazil. No types known. Type catalog: Ferraris 2007:69 [ref. 29155]. Unneeded replacement name for Hypothalmus dawalla Jardine 1841 -- (Boeseman 1972:306 [ref. 19698]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Replacement Name. Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

schultzi, Centromochlus Rössel [F.] 1962:27, Figs. 1-3, 5, 7 [Senckenbergiana Biologica v. 43 (no. 1); ref. 6427] Rio Xingu, Brazil. Holotype: SMF 5462. Paratypes: SMF 5463-68 (6), NMW 61146 (1). Type catalog: Ferraris 2007:73 [ref. 29155]. •Valid as Tatia schultzi (Rössel 1962) -- (Mees 1988:410 [ref. 13382], Burgess 1989:242 [ref. 12860], Soares-Porto 1995:205 [ref. 21882]). •Valid as Balroglanis schultzi (Rössel 1962) -- (Calegari et al. 2019:[80] [ref. 36961]). •Valid as Centromochlus schultzi Rössel 1962 -- (Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:282 [ref. 25085], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares & Birindelli 2015:84 [ref. 33780], Grant 2015:2 [ref. 33806] in a valid subgenus Balroglanis Grant 2015, Birindelli et al. 2015:872 [ref. 33961], Sarmento-Soares et al. 2017:[9] [ref. 35115], Sarmento-Soares & Martins-Pinheiro 2020:127 [ref. 37877], Coelho et al. 2021:162 [ref. 38196]). Current status: Valid as Centromochlus schultzi Rössel 1962. Auchenipteridae: Centromochlinae. Distribution: Upper Xingu and Tocantins River basins, Brazil. Habitat: freshwater.

sebae, Ageneiosus Günther [A.] 1864:192 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Suriname. Syntypes: whereabouts unknown. Type catalog: Ferraris 2007:69 [ref. 29155]. Based on Ageniosus inermis of Valenciennes in Cuvier & Valenciennes 1840:240, Pl. 440 [ref. 1007] (not of Bloch). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

simplex, Tatia Mees [G. F.] 1974:90, Fig. 26 [Zoologische Verhandelingen (Leiden) No. 132; ref. 2969] Xaventina house beach, Rio dos Mortes, Mato Grosso, Brazil. Holotype (unique): BMNH 1971.7.29.5. Type catalog: Ferraris 2007:78 [ref. 29155]. •See Soares-Porto 1998:333 [ref. 23848]. •Valid but provisionally in Centromochlus -- (Sarmento-Soares & Martins-Pinheiro 2008:499 [ref. 29857], Sarmento-Soares et al. 2013:798 [ref. 33029], Sarmento-Soares et al. 2013:798 [ref. 33029]). •Valid as Centromochlus simplex (Mees 1974) -- (Sarmento-Soares & Birindelli 2015:83 [ref. 33780], Grant 2015:2 [ref. 33806] in subgenus Balroglanis Grant 2015, Birindelli et al. 2015:872 [ref. 33961], Sarmento-Soares et al. 2017:[10] [ref. 35115]). •Valid as Tatia simplex Mees 1974 -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:78 [ref. 29155], Vari & Calegari 2014:667 [ref. 33612], Calegari et al. 2019:[82] [ref. 36961], Souza e Souza et al. 2020:1 [ref. 37455], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Ribeiro et al. 2022:12 [ref. 39328]). Current status: Valid as Tatia simplex Mees 1974. Auchenipteridae: Centromochlinae. Distribution: Tocantins-Araguaia River system, Brazil. Habitat: freshwater.

steindachneri, Centromochlus Gill [T. N.] 1870:95 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 22; ref. 17630] Río Marañon or Río Napo, Amazon system, Peru or Ecuador. No types known. Type catalog: Ferraris 2007:73 [ref. 29155] as types not found at USNM. •Valid as Centromochlus steindachneri Gill 1870 -- (Grant 2015:9 [ref. 33806] in subgenus Centromochlus). •Synonym of Centromochlus heckelii (De Filippi 1853) -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:474 [ref. 27061], Ferraris 2007:73 [ref. 29155], Sarmento-Soares et al. 2013:798 [ref. 33029]). Current status: Synonym of Centromochlus heckelii (De Filippi 1853). Auchenipteridae: Centromochlinae. Habitat: freshwater.

striatulus, Auchenipterus (Pseudauchenipterus) Steindachner [F.] 1877:656 [98], Pl. 5 [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4224] Rio Parahyba at Campos [21°45'S, 41°18'W], Rio Doce at Linhares, and Rio Mucury, southeastern Brazil. Syntypes: (several) MCZ 25506 (1); NMW 10852 (1), 47445-47 (5, 2, 1); SMNS 1955 (1); ZSM 6064 [ex NMW 47445] (1). Type catalog: Fricke 2005:14 [ref. 29864], Ferraris 2007:80 [ref. 29155], Neumann 2011:239 [ref. 31652] On p. 98 of separate. Misspelled Trachycorystes striatus by Bertoni 1914:8 [ref. 16813]. •Valid as Parauchenipterus striatulus (Steindachner 1877) -- (Burgess 1989:242 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791], Butí & Cancino 1999:71 [ref. 25277]). •Valid as Trachelyopterus striatulus (Steindachner 1877) -- (Bertoletti et al. 1992:170 [ref. 22128], Bertoletti et al. 1995:71 [ref. 21959], Britski et al. 1999:115 [ref. 24147], López et al. 2003:56 [ref. 27366], Ferraris in Reis et al. 2003:478 [ref. 27061], Menni 2004:83 [ref. 28131], Ferraris 2007:80 [ref. 29155], Akama & Ferraris 2011:59 [ref. 31467], Di Dario et al. 2013:262 [ref. 37503], Catelani et al. 2014:931 [ref. 37496], Litz & Koerber 2014:18 [ref. 33622], Sarmiento et al. 2014:146, 190 [ref. 35004], Nión et al. 2016:33 [ref. 35565], Koerber et al. 2017:46 [ref. 35267], Calegari et al. 2019:[90] [ref. 36961], Silva et al. 2020:9 [ref. 37809]). Current status: Valid as Trachelyopterus striatulus (Steindachner 1877). Auchenipteridae: Auchenipterinae. Distribution: South America: coastal rivers in southeastern Brazil to Paraná River basin (Argentina, Brazil, Bolivia, Paraguay and Uruguay). Habitat: freshwater, brackish.

strigata, Tatia Soares-Porto [L. M.] 1995:202, Fig. 1 [Ichthyological Exploration of Freshwaters v. 6 (no. 3); ref. 21882] Municipio de Maués, Igarapé Limãozinho, Amazonas, Brazil. Holotype: MZUSP 44065. Paratypes: ANSP 165746 (1), 165795-96 (5, 53); MCZ 78092 (1); MNRJ 12360 (5); MZUSP 7106 (7), 7298 (23), 7357 (81), 27649 (1), 44066 (2, c&s), 44069 (1, c&s), 44128 (15). Type catalog: Ferraris 2007:78 [ref. 29155]. •Valid as Tatia strigata Soares-Porto 1995 -- (Burgess & Finley 1996:166 [ref. 22901], Soares-Porto 1998:333 [ref. 23848], Ferraris in Reis et al. 2003:477 [ref. 27061], Ferraris 2007:78 [ref. 29155], Sarmento-Soares & Martins-Pinheiro 2008:534 [ref. 29857], Pavanelli & Bifi 2009:200 [ref. 30255], Vari & Calegari 2014:674 [ref. 33612], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[82] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877]). Current status: Valid as Tatia strigata Soares-Porto 1995. Auchenipteridae: Centromochlinae. Distribution: Amazon and Orinoco River basins: Brazil, Colombia and Venezuela. Habitat: freshwater.

stroudi, Gelanoglanis Böhlke [J. E.] 1980:152, Fig. 1 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 132; ref. 605] Río Metica, Colombia, 3°56'42"N, 73°02'23"W, depth 1.2-1.5 meters. Holotype: ANSP 142937. Paratypes: ANSP 142938-39 (5, 1), 142940 (1, c&s), 142941 (1, c&s); FMNH 83911 (5), 83912 (1, c&s); MZUSP 14641 (1). Type catalog: Böhlke 1984:100 [ref. 13621], Ibarra & Stewart 1987:38 [ref. 12367], Ferraris 2007:74 [ref. 29155]. •Valid as Centromochlus stroudi (Böhlke 1980) -- (Soares-Porto 1998:333 [ref. 23848], Soares-Porto 2000:281 [ref. 25085]). •Valid as Gelanoglanis stroudi Böhlke 1980 -- (Burgess 1989:241 [ref. 12860], Provenzano 1997:79 [ref. 25306], Sores-Porto et al. 1999:65 [ref. 23671], Ferraris in Reis et al. 2003:475 [ref. 27061], Ferraris 2007:74 [ref. 29155], Rengifo et al. 2008:183 [ref. 29738], Birindelli 2014:535 [ref. 33501] as cf. stroudi, Calegari et al. 2014:705 [ref. 33611], Calegari & Reis 2016:7 [1708] [ref. 34846], DoNascimiento et al. 2017:85 [ref. 35633], Calegari et al. 2019:[74] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Provenzano-Rizzi in Lasso & Morales-Betancourt 2022:140 [ref. 40783]). Current status: Valid as Gelanoglanis stroudi Böhlke 1980. Auchenipteridae: Centromochlinae. Distribution: South America: Orinoco River basin (Colombia and Venezuela). Habitat: freshwater.

taeniatus, Trachelyopterus Kner [R.] 1858:434 [64], Pl. 8 (fig. 26) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Rio Guaporé, Brazil. Holotype (unique): NMW 43346. Type catalog: Ferraris 2007:78 [ref. 29155]. On p. 64 of separate. •Valid as Trachelyopterichthys taeniatus (Kner 1858) -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:478 [ref. 27061], Ferraris 2007:78 [ref. 29155], Akama & Ferraris 2011:59 [ref. 31467], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:190 [ref. 35004], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[87] [ref. 36961]). Current status: Valid as Trachelyopterichthys taeniatus (Kner 1858). Auchenipteridae: Auchenipterinae. Distribution: Amazon and Orinoco River basins: Brazil, Colombia, Bolivia and Venezuela. Habitat: freshwater.

teaguei, Trachycorystes Devincenzi [G. J.] in Devincenzi & Teague 1942:37, Pl. 7 (figs. 1-2) [Anales del Museo Nacional de Historia Natural de Montevideo (Serie 2) v. 5 (no. 4); ref. 12268] Río Queguay of Río Uruguay, Paysandú, Uruguay. Holotype: MHNM CI 350. Paratypes: BMNH 1946.4.19.1 (1) (as syntype), MHNM CI 350 (1, female). Type catalog: Olazarri et al. 1970:4 [ref. 23527], Ferraris 2007:80 [ref. 29155], Loureiro et al. 2016:412 [ref. 35150]. •Valid as Parauchenipterus teaguei (Devincenzi 1942) -- (Burgess 1989:242 [ref. 12860], Gómez & Chebez 1996:58 [ref. 23791]). •Valid as Trachelyopterus teaguei (Devincenzi 1942) -- (Bertoletti et al. 1992:170 [ref. 22128], Bertoletti et al. 1995:71 [ref. 21959], Ferraris in Reis et al. 2003:478 [ref. 27061], López et al. 2003:56 [ref. 27366], Menni 2004:83 [ref. 28131], Ferraris 2007:80 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Sarmiento et al. 2014:190 [ref. 35004], Mirande & Koerber 2015:30 [ref. 35117], Bertaco et al. 2016:416 [ref. 34561], Nión et al. 2016:33 [ref. 35565], Calegari et al. 2019:[90] [ref. 36961], Loureiro et al. 2023:122 [ref. 40506]). Current status: Valid as Trachelyopterus teaguei (Devincenzi 1942). Auchenipteridae: Auchenipterinae. Distribution: South America: Uruguay River basin (Argentina, Bolivia and Uruguay). Habitat: freshwater.

therezinae, Ageneiosus (Pseudageneiosus) Steindachner [F.] 1909:341 [Anzeiger der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftlichen Klasse v. 46 (no. 20) (for 21 Oct. 1909); ref. 18812] Rio Parnahyba and Rio Puty near Therezina, Brazil. Syntypes: (several) NMW 47840-41 (1, 1). Type catalog: Ferraris 2007:69 [ref. 29155]. •Valid as Ageneiosus therezinae Steindachner 1909 -- (Burgess 1989:286 [ref. 12860] as therezine). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061] with question, Ferraris 2007:69 [ref. 29155] with question, Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

thoracatus, Auchenipterus Kner [R.] 1858:425 [55], Pl. 7 (fig. 22) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 26 (s. 373); ref. 2630] Rio Guaporé, Brazil. Syntypes: NMW 47454 (2). Type catalog: Ferraris 2007:71 [ref. 29155]. On p. 55 of separate. Auchenipterus thoracicus Günther 1864:194 is an unjustified emendation. •Valid as Auchenipterichthys thoracatus (Kner 1858) -- (Ortega & Vari 1986:14 [ref. 9708], Soares-Porto 1994:281 [ref. 21570], Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris et al. 2005:101 [ref. 28560], Ferraris 2007:71 [ref. 29155] dated 1857, Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:142, 189 [ref. 35004], DoNascimiento 2016:538 [ref. 34727], see DoNascimiento et al. 2017:[22] [ref. 35679], Calegari et al. 2019:[86] [ref. 36961], Careaga et al. 2020:77 [ref. 37774], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Auchenipterichthys thoracatus (Kner 1858). Auchenipteridae: Auchenipterinae. Distribution: South America: upper Madeira River drainage, Amazon River basin (Bolivia, Brazil, Ecuador, Peru); ?Venezuela. Habitat: freshwater.

thoracicus, Auchenipterus Günther [A.] 1864:194 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Rio Guaporé, Brazil. Syntypes: NMW 47454 (2). Type catalog: Ferraris 2007:71 [ref. 29155]. Unjustified emendation of Auchenipterus thoracatus Kner 1858. •Synonym of Auchenipterichthys thoracatus (Kner 1858) -- (Ferraris in Reis et al. 2003:473 [ref. 27061], Ferraris et al. 2005:101 [ref. 28560], Ferraris 2007:71 [ref. 29155]). Current status: Synonym of Auchenipterichthys thoracatus (Kner 1858). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

trachycorystes, Auchenipterus Valenciennes [A.] in Cuvier & Valenciennes 1840:214, Pl. 437 [Histoire naturelle des poissons v. 15; ref. 1008] Amazon River basin, Brazil. Holotype (unique): MNHN A-9422 (dry). Type catalog: Bertin & Estève 1950:17 [ref. 19575], Royero & Hureau 1996:372 [ref. 22752], Ferraris 2007:80 [ref. 29155]. •Valid as Trachycorystes trachycorystes (Valenciennes 1840) -- (Burgess 1989:242 [ref. 12860], Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155], Britski & Akama 2011:274 [ref. 31386], Akama & Ferraris 2011:59 [ref. 31467], Barriga Salazar 2014:116 [ref. 35745], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[85] [ref. 36961], Silvano et al. 2020:219 [ref. 38135], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Trachycorystes trachycorystes (Valenciennes 1840). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Brazil, Colombia, Ecuador and Peru). Habitat: freshwater.

travieso, Gelanoglanis Rengifo [B.] & Lujan [N. K.] in Rengifo, Lujan, Taphorn & Petry 2008:183, Fig. 2 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 157; ref. 29738] Río Nieva, 7.4 kilometers south-southwest of Juan Velasco (Santa Maria de Nieva), 4°39'38"S, 77°53'02"W, Río Marañon drainage, Departamento Amazonas, Peru. Holotype: MUSM 31065. Paratypes: ANSP 182807 (1), 182808 (1, c&s); AUM 46569 (2); MUSM 10598 (2), 31066 (2). •Valid as Gelanoglanis travieso Rengifo & Lujan 2008 -- (Calegari et al. 2014:705 [ref. 33611], Calegari & Reis 2016:7 [1708] [ref. 34846], Calegari et al. 2019:[74] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Gelanoglanis travieso Rengifo & Lujan 2008. Auchenipteridae: Centromochlinae. Distribution: South America: Maranon River system, Amazon basin (Peru). Habitat: freshwater.

trigintaoctoradiatus, Silurus Larrañaga [D. A.] 1923:386 [Escritos de Don Dámaso Antonio Larrañaga v. 2; ref. 22561] Uruguay. No types known. Type catalog: Ferraris 2007:70 [ref. 29155]. Originally as Silurus 38-radiatus. Corresponds to Silurus imberbis on p. 376. Appeared as Silurus imberbis vel 38-radiatus in Devincenzi 1925:310, 322 [ref. 20322]; Devincenzi treated as a synonym of Ageneiosus ucayalensis Castelnau 1855. •Synonym of Ageneiosus militaris Valenciennes 1835 -- (Ferraris 2007:70 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117]). Current status: Synonym of Ageneiosus militaris Valenciennes 1835. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

typus, Trachycorystes Bleeker [P.] 1862:6 [Atlas ichthyologique des Indes Orientales Néêrlandaises v. 2; ref. 393] Brazil. Holotype (unique): MNHN A-9422 (dry). Type catalog: Boeseman 1972:315 [ref. 19698], Ferraris 2007:80 [ref. 29155]. Unneeded replacement name for Auchenipterus trachycorystes Valenciennes 1840, apparently to avoid "Strickland tautonymy." Also in Bleeker 1863:88 [ref. 401]. •Synonym of Trachycorystes trachycorystes (Valenciennes 1840) -- (Ferraris in Reis et al. 2003:479 [ref. 27061], Ferraris 2007:80 [ref. 29155], Britski & Akama 2011:274 [ref. 31386]). Replacement Name. Current status: Synonym of Trachycorystes trachycorystes (Valenciennes 1840). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

ucayalensis, Ageneiosus Castelnau [F. L.] 1855:49, Pl. 17 (fig. 2) [Animaux nouveaux or rares v. 2; ref. 766] Lake near Río Ucayali, Peru. Holotype (unique): MNHN B-0611 (poor condition). Type catalog: Bertin & Estève 1950:16 [ref. 19575], Ferraris 2007:70 [ref. 29155]. •Valid as Ageneiosus ucayalensis Castelnau 1855 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:286 [ref. 12860], Burgess & Finley 1996:167 [ref. 22901], Britski et al. 1999:94 [ref. 24147], Camargo & Isaac 2001:145 [ref. 27639], Ferraris in Reis et al. 2003:472 [ref. 27061], López et al. 2003:57 [ref. 27366], Schraml 2005:22 [ref. 28585], Ferraris 2007:70 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:103 [ref. 30759], Barriga Salazar 2014:115 [ref. 35745], Sarmiento et al. 2014:141, 189 [ref. 35004], Mirande & Koerber 2015:30 [ref. 35117], DoNascimiento et al. 2017:86 [ref. 35633], Ribeiro et al. 2017:5, 69 [ref. 35133], Urbano-Bonilla et al. 2018:81 [ref. 35773], Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Reis et al. 2020:464 [ref. 38364], Silvano et al. 2020:208 [ref. 38135], Meza-Vargas et al. 2021:22 [ref. 39298], Koerber et al. 2022:57 [ref. 39235]). Current status: Valid as Ageneiosus ucayalensis Castelnau 1855. Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Peru, Colombia and Brazil). Habitat: freshwater.

uranophthalmus, Ageneiosus Ribeiro [F. R. V.] & Rapp Py-Daniel [L. H.] 2010:98, Figs. 1-2 [Neotropical Ichthyology v. 8 (no. 1); ref. 30759] Rio Amazonas below Paraná da Eva, ca. 3°13'S, 59°01'W, Itacoatiara, Amazonas State, Brazil. Holotype: INPA 8945. Paratypes: many at INPA and MZUSP Ribeiro & Rapp Py-Daniel 2010:102 [ref. 30759]. •Valid as Ageneiosus uranophthalmus Ribeiro & Rapp Py-Daniel 2010 -- (Ribeiro et al. 2017:5, 75 [ref. 35133], Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Meza-Vargas et al. 2021:22 [ref. 39298]). Current status: Valid as Ageneiosus uranophthalmus Ribeiro & Rapp Py-Daniel 2010. Auchenipteridae: Auchenipterinae. Distribution: South America: upper and middle Amazon River basin (Brazil and Peru). Habitat: freshwater.

uruguayensis, Ageneiosus Devincenzi [G. J.] 1933:3, Pl. 1 [Anales del Museo Nacional de Historia Natural de Montevideo (Serie 2) v. 4 (no. 3); ref. 16419] Río Uruguay at Paysandú, Uruguay. Holotype: MHNM CI 317. Paratypes: (4) MHNM CI 316 (2), 320 (1 or 2). Type catalog: Olazarri et al. 1970:4 [ref. 23527], Ferraris 2007:70 [ref. 29155], Loureiro et al. 2016:412 [ref. 35150]. •Valid as Ageneiosus uruguayensis Devincenzi 1933 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus militaris Valenciennes 1835 -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Ribeiro et al. 2017:52 [ref. 35133]). Current status: Synonym of Ageneiosus militaris Valenciennes 1835. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

valenciennesi, Ageneiosus Bleeker [P.] 1864:82 [Natuurkundige Verhandelingen van de Hollandsche Maatschappij der Wetenschappen te Haarlem (Ser. 2) v. 20; ref. 14181] Buenos Aires, Argentina. Syntypes: MNHN B-0690 (1), B-0691 (1), B-3167 (1). Type catalog: Boeseman 1972:317 [ref. 19698], Ferraris 2007:69 [ref. 29155]. New name for Ageneiosus militaris of Valenciennes 1847:7, Pl. 4 (fig. 1) [ref. 5010] (not of Bloch). •Valid as Ageneiosus valenciennesi Bleeker 1864 -- (Burgess 1989:286 [ref. 12860], Gómez & Chebez 1996:61 [ref. 23791], Burgess & Finley 1996:167 [ref. 22901], Sverlij et al. 1998:45 [ref. 27632], Britski et al. 1999:94 [ref. 24147], López et al. 2003:57 [ref. 27366], Menni 2004:83 [ref. 28131], Sarmiento et al. 2014:141, 189 [ref. 35004]). •Synonym of Ageneiosus militaris Valenciennes 1835 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155], Litz & Koerber 2014:18 [ref. 33622], Mirande & Koerber 2015:30 [ref. 35117], Ribeiro et al. 2017:51 [ref. 35133]). Current status: Synonym of Ageneiosus militaris Valenciennes 1835. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

varii, Gelanoglanis Calegari [B. B.] & Reis [R. E.] 2016:3 [1704], Figs. 1-3, 4b [Journal of Fish Biology v. 90 (no. 5); ref. 34846] Border between Maranhão and Tocantins States, Tocantins River upstream to the Estreito hydroelectric power plant, Amazon basin, Brazil, 6°30'17"S, 47°25'50"W. Holotype: MCP 49170. Paratypes: MCP. •Valid as Gelanoglanis varii Calegari & Reis 2016 -- (Calegari et al. 2019:[74] [ref. 36961], Sarmento-Soares & Martins-Pinheiro 2020:128 [ref. 37877], Koerber et al. 2022:55 [ref. 39235]). Current status: Valid as Gelanoglanis varii Calegari & Reis 2016. Auchenipteridae: Centromochlinae. Distribution: South America: Tocantins River drainage, Amazon basin (northeastern Brazil). Habitat: freshwater.

virgo, Ageneiosus Posada [A.] 1909:295 [Los peces del norte de Colombia; ref. 5005] Río Magdelaena, Colombia. No types known. Type catalog: Ferraris 2007:70 [ref. 29155]. •Synonym of Ageneiosus pardalis Lütken 1874 -- (Ferraris in Reis et al. 2003:472 [ref. 27061], Ferraris 2007:70 [ref. 29155], Ribeiro et al. 2017:59 [ref. 35133]). Current status: Synonym of Ageneiosus pardalis Lütken 1874. Auchenipteridae: Auchenipterinae. Habitat: freshwater.

vittatus, Ageneiosus Steindachner [F.] 1908:64 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 45 (no. 6) (for 13 Feb. 1908); ref. 13415] Rio Purus, Brazil. Holotype (unique): NMW 47853. Type catalog: Ferraris 2007:70 [ref. 29155]. •Valid as Ageneiosus vittatus Steindachner 1908 -- (Burgess 1989:286 [ref. 12860], Burgess & Finley 1996:167 [ref. 22901], Ferraris in Reis et al. 2003:472 [ref. 27061], Diogo et al. 2003:398 [ref. 27439], Schraml 2005:22 [ref. 28585], Ferraris 2007:70 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:103 [ref. 30759], Barriga Salazar 2014:115 [ref. 35745], Sarmiento et al. 2014:141, 189 [ref. 35004], DoNascimiento et al. 2017:86 [ref. 35633], Ribeiro et al. 2017:5, 80 [ref. 35133], Calegari et al. 2019:[99] [ref. 36961], Hashimoto et al. 2020:[3] 16 [ref. 37940], Koerber et al. 2023:6 [ref. 40665]). Current status: Valid as Ageneiosus vittatus Steindachner 1908. Auchenipteridae: Auchenipterinae. Distribution: South America: Middle Orinoco and upper Amazon River basins (Bolivia, Brazil, Colombia, Ecuador, Venezuela). Habitat: freshwater.

wallacei, Tetranematichthys Vari [R. P.] & Ferraris [C. J., Jr.] 2006:169, Figs. 1A, 2, 4 [Copeia 2006 (no. 2); ref. 28680] Upper Rio Negro, São Pedro, mouth of Igarapé do Ibará, about 0°15'S, 66°46'W, Amazonas, Brazil. Holotype: MZUSP 31096. Paratypes: AMNH 74444 (2), 163022 (1); MCNG 23086 (2); MZUSP 59048 (3); USNM 269994 (1), 269995 (1), 270008 (1). Plus non-type material. •Valid as Tetranematichthys wallacei Vari & Ferraris 2006 -- (Ferraris 2007:444 [ref. 29155], Peixoto & Wosiaki 2010:69 [ref. 30757], DoNascimiento et al. 2017:87 [ref. 35633], Calegari et al. 2019:[97] [ref. 36961], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tetranematichthys wallacei Vari & Ferraris 2006. Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon and Orinoco River basins (Brazil, Colombia, Peru and Venezuela). Habitat: freshwater.