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

Species in the genus Chaetostoma: [ 54 ] records

aburrensis, Hypostomus Posada [A.] 1909:297 [Los peces del norte de Colombia; ref. 5005] Medellín, Colombia. No types known. Type catalog: Ferraris 2007:227 [ref. 29155]. Chaetostoma is neuter, and aburrensis is an adjective; changed to aburrense (Ron Fricke, email Mar. 2016). •Valid as Hypostomus aburrense Posada 1909 -- (Isbrücker 2002:18 [ref. 27178] as aburrensis). •Valid as Chaetostoma aburrense (Posada 1909) -- (Fisch-Muller in Reis et al. 2003:379 [ref. 27061] as aburrensis, Ferraris 2007:227 [ref. 29155] as aburrensis, Lujan et al. 2015:666 [ref. 33975] as aburrensis, DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma aburrense (Posada 1909). Loricariidae: Hypostominae. Distribution: Cauca River basin, Colombia. Habitat: freshwater.

alternifasciatum, Chaetostoma Fowler [H. W.] 1945:116, Figs. 21-24 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 97; ref. 1454] Morelia, Río Caquetá drainage, Colombia [probably Bodoquero River, near the town of Morelia]. Holotype: ANSP 71711. Paratypes: ANSP 71712-15 (4). Type catalog: Böhlke 1984:121 [ref. 13621], Ferraris 2007:227 [ref. 29155]. •Valid as Chaetostoma alternifasciatum Fowler 1945 -- (Isbrücker 1980:59 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Salcedo 2006:218 [ref. 28842] as alternifasciatus, Ferraris 2007:227 [ref. 29155]). •Synonym of Chaetostoma vagum Fowler 1943 -- (Lujan et al. 2015:676 [ref. 33975], DoNascimiento et al. 2017:[18] [ref. 35679]). •Synonym of Chaetostoma anale (Fowler 1943) -- (Urbano-Bonilla & Ballen 2021:11 [ref. 38058]). Current status: Synonym of Chaetostoma anale (Fowler 1943). Loricariidae: Hypostominae. Habitat: freshwater.

analis, Hypocolpterus Fowler [H. W.] 1943:261, Figs. 56-59 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Río Orteguasa, Florencia, Caquetá, Colombia. Holotype (unique): ANSP 70525. Type catalog: Böhlke 1984:121 [ref. 13621], Ferraris 2007:227 [ref. 29155]. •Valid as Hypocolpterus analis Fowler 1943 -- (Isbrücker 1980:59 [ref. 2303], Burgess 1989:435 [ref. 12860]). •Valid as Chaetostoma analis (Fowler 1943) -- (Burgess & Finley 1996:170 [ref. 22901], Isbrücker 2001:26 [ref. 25653]). •Valid as Chaetostoma anale (Fowler 1943) -- (Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Salcedo 2006:218 [ref. 28842], Ferraris 2007:227 [ref. 29155], Ballen 2011:395 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:79 [ref. 35633], Urbano-Bonilla & Ballen 2021:11 [ref. 38058]). Current status: Valid as Chaetostoma anale (Fowler 1943). Loricariidae: Hypostominae. Distribution: Upper Amazon basin, Colombia. Habitat: freshwater.

anomalus, Chaetostomus Regan [C. T.] 1903:599 [Annals and Magazine of Natural History (Series 7) v. 11 (no. 66) (art. 79); ref. 15041] Merida; Río Albrieggas and Río Milla, Venezuela, elevation 1500-3500 meters. Syntypes: (many) BMNH 1903.4.28.31-34 (4), 1903.6.30.91-101 (9); USNM 133135 [ex BMNH 1903.6.30.91-102] (1). Type catalog: Ferraris & Vari 1992:26 [ref. 19771], Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma anomalum Regan 1903 -- (Isbrücker 1980:59 [ref. 2303], Burgess 1989:435 [ref. 12860], Galvis et al. 1997:73 [ref. 23651] as anomala, Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Ferraris 2007:228 [ref. 29155], Lujan & Armbruster 2011:224 [ref. 31416], Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:195 [ref. 34396], Provenzano et al. 2017:264 [ref. 35613], DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma anomalum Regan 1903. Loricariidae: Hypostominae. Distribution: Lake Maracaibo basin, Venezuela and Colombia. Habitat: freshwater.

bifurcum, Chaetostoma Lujan [N. K.], Meza-Vargas [V.], Astudillo-Clavijo [V.], Barriga Salazar [R. E.] & López-Fernández [H.] 2015:676, Fig. 7 [Copeia 103 (no. 3); ref. 33975] Santo Domingo de las Tsa´chilas Province, Guayas River drainage, Otongo River upstream of confluence with Baba River, Ecuador, 00°21'06.90"S, 79°12'52.32"W. Holotype: MEPN 14687. Paratypes: ANSP, AUM, FMNH, ROM. Plus non-type material. •Valid as Chaetostoma bifurcum Lujan, Meza-Vargas, Astudillo-Clavijo, Barriga Salazar & López-Fernández 2015 -- (Valenzuela et al. 2023:95 [ref. 40815], Escobar Camacho et al. 2024:8 [ref. 40892]). Current status: Valid as Chaetostoma bifurcum Lujan, Meza-Vargas, Astudillo-Clavijo, Barriga Salazar & López-Fernández 2015. Loricariidae: Hypostominae. Distribution: South America: Pacific slope (western Ecuador, northwestern Peru). Habitat: freshwater.

branickii, Chaetostomus Steindachner [F.] 1881:118 [18], Pl. 6 (figs. 1-1b) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 43; ref. 14290] Cajamarca, Rio Chota [Chotano], Peru, elevation 1465-1585 meters. Syntypes: (several) NMW 47270-71 (2, 3). Type catalog: Ferraris 2007:228 [ref. 29155]. On p. 18 of separate. Original genus is correctly Chaetostoma. •Valid as Chaetostoma branickii Steindachner 1881 -- (Isbrücker 1980:59 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Salcedo 2006:63 [ref. 28542], Salcedo 2006:218 [ref. 28842], Ferraris 2007:228 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745], Lujan et al. 2015:666 [ref. 33975] and as cf. branickii on p. 698). Current status: Valid as Chaetostoma branickii Steindachner 1881. Loricariidae: Hypostominae. Distribution: Ecuador and Peru. Habitat: freshwater.

brevilabiatus, Chaetostomus Dahl [G.] 1941:80 [1], Figs. 1-2 [Förhandlingar / Kungliga Fysiografiska Sällskapets i Lund = Proceedings of the Royal Physiographic Society at Lund v. 11 (no. 8); ref. 13197] Río Volcán near junction with Río San Bartolomé, tributary of Río Magdalena, Antióquia Dept., Colombia, elevation about 600 meters. Holotype (unique): ICNMHN 6134 [ex ZMUL]. Type catalog: Ferraris 2007:228 [ref. 29155], Mojica & Agudelo-Zamora 2018:31 [ref. 36127]. On p. 1 of separate. Original genus is correctly Chaetostoma. •Valid as Chaetostoma brevilabiatum Dahl 1941 -- (Isbrücker 1980:59-60 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Salcedo 2006:218 [ref. 28842], Ferraris 2007:228 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma brevilabiatum Dahl 1941. Loricariidae: Hypostominae. Distribution: South America: Magdalena and Cimitarra River basins (Colombia). Habitat: freshwater.

brevis, Chaetostomus Regan [C. T.] 1904:247, Pl. 13 (fig. 3) [Transactions of the Zoological Society of London v. 17 (pt 3, no. 1); ref. 3621] Eastern Ecuador. Syntypes: (6) BMNH 1898.11.4.33-36 (4), MSNM 40 [ex MSNM 5592] (1) Rio Zamora; MZUT 1488-89 (total 15 specimens, 1 evidently is a syntype). Type catalog: Tortonese 1940:137 [ref. 21559], Conci & Michelangeli 1974:226 [ref. 21560] Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma brevis Regan 1904 -- (Ovchynnyk 1967:39 [ref. 37559]). •Valid as Chaetostoma breve Regan 1904 -- (Isbrücker 1980:60 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Salcedo 2006:62 [ref. 28542], Ferraris 2007:228 [ref. 29155], Ballen 2011:388 [ref. 31653], Barriga Salazar 2014:113 [ref. 35745], Lujan et al. 2015:685 [ref. 33975], Urbano-Bonilla & Ballen 2021:12 [ref. 38058], Meza-Vargas et al. 2022:376 [ref. 39368]). Current status: Valid as Chaetostoma breve Regan 1904. Loricariidae: Hypostominae. Distribution: South America: Marañón River drainage, upper Amazon basin, Ecuador and Colombia. Habitat: freshwater.

carrioni, Lipopterichthys Norman [J. R.] 1935:628, Figs. [Annals and Magazine of Natural History (Series 10) v. 15 (no. 90); ref. 3223] Río Zamora near Loja, upper Amazon River basin, eastern Ecuador. Holotype: BMNH 1933.5.29.1 (78 mm). Paratypes: BMNH 1933.5.29.2-5 (4). Type catalog: Ferraris 2007:267 [ref. 29155]. •Valid as Lipopterichthys carrioni Norman 1935 -- (Ovchynnyk 1967:40 [ref. 37559], Isbrücker 1980:65 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:29 [ref. 25653], Isbrücker 2002:20 [ref. 27178], Fisch-Muller in Reis et al. 2003:389 [ref. 27061], Ferraris 2007:267 [ref. 29155], Salcedo 2013:564 [ref. 32670], Barriga Salazar 2014:113 [ref. 35745]). •Valid as Chaetostoma carrioni (Norman 1935) -- (Salcedo 2006:62 [ref. 28542], Lujan et al. 2015:676 [ref. 33975]). Current status: Valid as Chaetostoma carrioni (Norman 1935). Loricariidae: Hypostominae. Distribution: South America: Santiago River drainage (southwestern Ecuador). Habitat: freshwater.

changae, Chaetostoma Salcedo [N. J.] 2006:61, Figs. 1-2 [Copeia 2006 (no. 1); ref. 28542] Vicinity of Tingo María, backwater near Puerto Nuevo, flowinginto Río Tullamaya, 9°18'S, 75°59'W, Departamento de Huánuco, Peru. Holotype: ANSP 179125. Paratypes: ANSP 138891 (1), 138950 (13); MUSM 14904 (2). Plus non-type material. •Valid as Chaetostoma changae Salcedo 2006 -- (Salcedo 2006:218 [ref. 28842], Salcedo 2006:218 [ref. 28842], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma changae Salcedo 2006. Loricariidae: Hypostominae. Distribution: Upper Huallaga River basin, Peru. Habitat: freshwater.

chimu, Chaetostoma Urbano-Bonilla [A.] & Ballen [G. A.] 2021:2, Figs. 1-2 [Journal of Fish Biology v. 98 (no. 4); ref. 38058] Sardinata River, Güejar River drainage, tributary to the upper Guaviare River, Orinoco basin, Serranía de la Macarena, Vista Hermosa, Meta, Colombia, 03°01'7.1"N, 73°50'27.4"W, elevation 276 meters. Holotype: MPUJ 14918 [ex 9936]. Paratypes: IAVHP, MPUJ. Plus additional non-type material. •Valid as Chaetostoma chimu Urbano-Bonilla & Ballen 2021. Current status: Valid as Chaetostoma chimu Urbano-Bonilla & Ballen 2021. Loricariidae: Hypostominae. Distribution: Upper Meta and Guaviare River drainages, Andean foothills of the Orinoco basin, Colombia. Habitat: freshwater.

daidalmatos, Chaetostoma Salcedo [N. J.] 2006:208, Figs. 1-2, 3a [Ichthyological Exploration of Freshwaters v. 17 (no. 3); ref. 28842] Tingo María, Río Huallaga, 9°18'S, 76°00'W, Province Leoncio Prado, Depto. Huánuco, Peru. Holotype: MUSM 25552. Paratypes: MUSM 10579 (2), 14911 (1), 15153 (1), 16472 (2, 1 c&s). Plus non-type material. •Valid as Chaetostoma daidalmatos Salcedo 2006 -- (Ferraris 2007:444 [ref. 29155], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma daidalmatos Salcedo 2006. Loricariidae: Hypostominae. Distribution: Upper Huallaga River basin, Peru. Habitat: freshwater.

dermorhynchus, Chaetostomus Boulenger [G. A.] 1887:277, Pl. 22 [Proceedings of the Zoological Society of London 1887 (pt 2) (art. 2) (for 1 Mar. 1887); ref. 532] Canelos, eastern Ecuador. Syntypes: BMNH 1880.12.8.64-66 (3). Type catalog: Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. Specific name is a noun. •Valid as Chaetostoma dermorhynchus Boulenger 1887 (often seen as dermorhynchum) -- (Ovchynnyk 1967:39 [ref. 37559], Isbrücker 1980:60 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Salcedo 2006:62 [ref. 28542], Ferraris 2007:228 [ref. 29155], Lujan et al. 2015:689 [ref. 33975]). Current status: Valid as Chaetostoma dermorhynchus Boulenger 1887. Loricariidae: Hypostominae. Distribution: South America: Pastaza and Napo river drainages (Ecuador). Habitat: freshwater.

dorsalis, Chaetostomus Eigenmann [C. H.] 1922:226 [Memoirs of the Carnegie Museum v. 9 (no. 1); ref. 1243] Río Albirregas and Río Millo, near Merida, northwestern Venezuela. Holotype: CAS 77093 [ex IU 13940]. Paratypes: CAS 77094 [ex IU 13656], 82268 [ex IU 13940] (2), 82269 [ex IU 13946]; UMMZ (2). Type catalog: Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. Based on Chaetostomus anomalus Regan 1903 (in part, specimens from Merida and mountain streams above it). •Valid as Chaetostoma dorsale Eigenmann 1922 -- (Isbrücker 1980:60 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Ferraris 2007:228 [ref. 29155], Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:194 [ref. 34396], DoNascimiento et al. 2017:79 [ref. 35633], Urbano-Bonilla et al. 2018:75 [ref. 35773], Urbano-Bonilla & Ballen 2021:12 [ref. 38058]). Current status: Valid as Chaetostoma dorsale Eigenmann 1922. Loricariidae: Hypostominae. Distribution: Orinoco River basin: Colombia and Venezuela. Habitat: freshwater.

dupouii, Chaetostoma Fernández-Yépez [A.] 1945:27 [3] [Memoria de la Sociedad de Ciencias Naturales La Salle v. 5 (no. 14); ref. 13083] Río Encantado, about 1 kilometer from junction of Río Encantado and Río Grande, Venezuela. Holotype: AFY. Paratypes: AFY (11). Type catalog: Ferraris 2007:228 [ref. 29155]. On p. 3 of separate. •Valid as Chaetostoma dupouii Fernández-Yépez 1945 -- (Isbrücker 1980:60 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Ferraris 2007:228 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], see DoNascimiento et al. 2017:[18] [ref. 35679]). Current status: Valid as Chaetostoma dupouii Fernández-Yépez 1945. Loricariidae: Hypostominae. Distribution: Tuy River basin, Venezuela. Habitat: freshwater.

fischeri, Chaetostomus Steindachner [F.] 1879:150 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 16 (no. 15) (for 19 June 1879); ref. 20478] Río Mamoni near Chepo, Panama. Syntypes: (several) NMW 47170-73 (1, 1, 2, 1), 54991 (2). Type catalog: Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. Species later illustrated and described in more detail in Steindachner 1879:162 [p. 14 in separate], Pl. 4 [ref. 18782]. •Valid as Chaetostoma fischeri Steindachner 1879 -- (Ovchynnyk 1967:39 [ref. 37559] as fisheri, Isbrücker 1980:61 [ref. 2303], Burgess 1989:435 [ref. 12860], Lasso et al. 1998:62 [ref. 24173], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Ferraris 2007:228 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745], Lujan et al. 2015:666 [ref. 33975], Jiménez-Prado et al. 2015:216 [ref. 34894], DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma fischeri Steindachner 1879. Loricariidae: Hypostominae. Distribution: South America: Colombia, Ecuador and Panama. Habitat: freshwater.

floridablancaensis, Chaetostoma Ardila Rodríguez [C. A.] 2013:[5], Figs. 1 et seq. [Peces del Departamento de Santander - Colombia. No. 6; ref. 33712] Departamento de Santander, municipio de Floridablanca, quebrada Aranzoque, afluente del río de Oro, cuenca alto del río Lebrija, elevation 925 meters. Holotype: CAR 633.1. Paratypes: CAR, IMCN, MBUCV, MUSM. Genus Chaetostoma is neuter, therefore correction to floridablancaense. •Valid as Chaetostoma floridablancaense Ardila Rodríguez 2013 -- (Lujan et al. 2015:666 [ref. 33975] as floridablancaensis, DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma floridablancaense Ardila Rodríguez 2013. Loricariidae: Hypostominae. Distribution: Floridablanca, afluente del Río Oro, Colombia. Habitat: freshwater.

formosae, Chaetostoma Ballen [G. A.] 2011:384, Figs. 1 and 3 [Papéis Avulsos de Zoologia, Museu de Zoologia da Universidade de São Paulo v. 51 (no. 26); ref. 31653] Caño Chuy, affluent of río Upía, Boyacá -- Casanare border, upper río Meta basin, Orinoco drainage, San Luis de Gaceno, Departamento de Boyacá, Colombia. Holotype: ICNMHN 17114. Paratypes: many as CZUT-IC, ICNMHN and MLS. Plus non-type specimens. Type catalog: Mojica & Agudelo-Zamora 2018:31 [ref. 36127]. •Valid as Chaetostoma formosae Ballen 2011 -- (Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:194 [ref. 34396], DoNascimiento et al. 2017:79 [ref. 35633], Urbano-Bonilla et al. 2018:75 [ref. 35773], Urbano-Bonilla & Ballen 2021:12 [ref. 38058]). Current status: Valid as Chaetostoma formosae Ballen 2011. Loricariidae: Hypostominae. Distribution: Upper Meta and Guaviare River drainages, Orinoco River basin, Colombia. Habitat: freshwater.

guairensis, Chaetostomus Steindachner [F.] 1881:121 [21], Pl. 3 (figs. 1-1a) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 43; ref. 14290] Río Guaire near Caracas, Venezuela. Syntypes: (several) NMW 47183-85 (2, 2, 3). Type catalog: Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. On p. 21 of separate. •Valid as Chaetostoma guairense Steindachner 1881 -- (Isbrücker 1980:61 [ref. 2303], Burgess 1989:435 [ref. 12860], Montoya-Burgos et al. 1998:367 [ref. 23850] as guiarensis, Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Ferraris 2007:228 [ref. 29155], Tan & Armbruster 2012:52 [ref. 31842], Tan & Armbruster 2012:58 [ref. 31842], Lujan et al. 2015:666 [ref. 33975], Provenzano et al. 2017:264 [ref. 35613]). Current status: Valid as Chaetostoma guairense Steindachner 1881. Loricariidae: Hypostominae. Distribution: Tuy and Guaire River and Lake Valencia basins, Venezuela. Habitat: freshwater.

jegui, Chaetostoma Rapp Py-Daniel [L. H.] 1991:240, Fig. 2 [Ichthyological Exploration of Freshwaters v. 2 (no. 3); ref. 13586] Rio Uraricoera, Maracá Island, 3°21'N, 61°26'W, Federal Territory of Roraima, Brazil. Holotype: INPA 2822. Paratypes: INPA 1958 (40), 1968 (21), 1977 (8), 2013 (2); MNHN 1990-0647 (5); MPEG uncat. (2), MPEG uncat. (2); MZUSP 41303 (2); ZMA 120348 (2). Type catalog: Ferraris 2007:229 [ref. 29155]. •Valid as Chaetostoma jegui Rapp Py-Daniel 1991 -- (Burgess & Finley 1996:170 [ref. 22901], Lasso et al. 1998:61 [ref. 24173], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Salcedo 2006:218 [ref. 28842], Ferraris 2007:228 [ref. 29155], Ballen 2011:395 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:195 [ref. 34396], Meza-Vargas et al. 2022:376 [ref. 39368]). Current status: Valid as Chaetostoma jegui Rapp Py-Daniel 1991. Loricariidae: Hypostominae. Distribution: South America: Uraricoera and Tacutu River drainages, Branco River basin, Brazil. Habitat: freshwater.

joropo, Chaetostoma Ballen [G. A.], Urbano-Bonilla [A.] & Maldonado-Ocampo [J. A.] 2016:183, Figs. 1-2, 3 left [Zootaxa 4105 (no. 2); ref. 34396] Meta, Mesetas, Resevera, Guaviare, rio Güejar, upper rio Guaviare basin, Orinoco River basin, Colombia. Holotype: MPUJ 7197. Paratypes: ICNMHN, MPUJ. Plus additional non-type material. •Valid as Chaetostoma joropo Ballen, Urbano-Bonilla & Maldonado-Ocampo 2016 -- (DoNascimiento et al. 2017:79 [ref. 35633], Urbano-Bonilla et al. 2018:75 [ref. 35773], Urbano-Bonilla & Ballen 2021:13 [ref. 38058]). Current status: Valid as Chaetostoma joropo Ballen, Urbano-Bonilla & Maldonado-Ocampo 2016. Loricariidae: Hypostominae. Distribution: Orinoco River basin, Colombia. Habitat: freshwater.

lepturus, Chaetostomus Regan [C. T.] 1912:667, Pl. 75 (fig. 1) [Proceedings of the Zoological Society of London 1912 (pt 3) (art. 36); ref. 14862] Río Tamana, Río San Juan system, Chocó Dept., southwestern Colombia. Syntypes: BMNH 1910.7.11.116-118 (3). Type catalog: Ferraris 2007:229 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma lepturum Regan 1912 -- (Isbrücker 1980:61 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Ferraris 2007:229 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma lepturum Regan 1912. Loricariidae: Hypostominae. Distribution: Upper San Juan River basin, Colombia. Habitat: freshwater.

leucomelas, Chaetostomus Eigenmann [C. H.] 1918:681 [Proceedings of the American Philosophical Society v. 56 (no. 7); ref. 12304] Río Patía, halfway between the Río Magui and Río Telembi, Colombia. Holotype: CAS 60167 [ex IU 13652, largest specimen]. Paratypes: CAS 60168 [ex IU 13652] (1), FMNH 58344 (1). Type catalog: Ibarra & Stewart 1987:22 [ref. 12367], Ferraris 2007:229 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma leucomelas Eigenmann 1918 -- (Isbrücker 1980:61 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Salcedo 2006:218 [ref. 28842], Ferraris 2007:229 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma leucomelas Eigenmann 1918. Loricariidae: Hypostominae. Distribution: Patia and upper Cauca River basins, Colombia. Habitat: freshwater.

lexa, Loraxichthys Salcedo [N. J.] 2013:560, Figs. 1-2, 4b, 5b [Zootaxa 3640 (no. 4); ref. 32670] Mariano Dámaso Beraun, vicinity of Tingo María, Cueva de las Pavas, Quebrada Luconyupe, 9°22'15.1"S, 75°58'32.7"W, Provincia de Leoncio Prado, Departamento de Huánuco, Peru. Holotype: ANSP 179128. Paratypes: ANSP 179124 (13, 1c&s), 179129 (4, 1c&s). •Valid as Chaetostoma lexa (Salcedo 2013) -- (Lujan et al. 2015:676 [ref. 33975]). Current status: Valid as Chaetostoma lexa (Salcedo 2013). Loricariidae: Hypostominae. Distribution: Tingo María, Huánuco, Peru. Habitat: freshwater.

lineopunctata, Chaetostoma Eigenmann [C. H.] & Allen [W. R.] 1942:192, Pl. 6 (fig. 1) [Fishes of western South America; ref. 1246] Río Azupizú, a tributary of Río Pachitea, upper Amazon River system, Peru. Holotype: CAS 64650 [ex IU 15373]. Paratypes: CAS 64651 [ex IU 15373] (1). Type catalog: Ferraris 2007:229 [ref. 29155]. •Valid as Chaetostoma lineopunctatum Eigenmann & Allen 1942 -- (Isbrücker 1980:61 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Salcedo 2006:63 [ref. 28542], Salcedo 2006:218 [ref. 28842], Ferraris 2007:229 [ref. 29155], Salcedo et al. 2011:503 [ref. 31722], Lujan et al. 2015:666 [ref. 33975] and as aff. lineopunctatum on p. 699, Ballen et al. 2016:195 [ref. 34396], Meza-Vargas et al. 2021:25 [ref. 39298], Meza-Vargas et al. 2022:376 [ref. 39368]). Current status: Valid as Chaetostoma lineopunctatum Eigenmann & Allen 1942. Loricariidae: Hypostominae. Distribution: South America: Río Ucayali and Río Madre de Dios basins (Peru). Habitat: freshwater.

loborhynchos, Chaetostoma Tschudi [J. J. von] 1846:26, Pl. 4 [Untersuchungen über die Fauna Peruana; ref. 4469] Río Tullumayo in Vitoc Mountain, eastern Andes, Peru. Syntypes: ?NMW 47190 (1). Type catalog: Kottelat 1987:52 [ref. 25858], Ferraris 2007:229 [ref. 29155]. Fisch-Muller in Reis et al. 2003:381 [ref. 27061] has NMW 47190 as holotype. •Valid as Chaetostoma loborhynchos Tschudi 1846 -- (Isbrücker 1980:61 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Salcedo 2006:63 [ref. 28542], Salcedo 2006:218 [ref. 28842], Ferraris 2007:229 [ref. 29155], Ballen 2011:388 [ref. 31653], Salcedo et al. 2011:505 [ref. 31722], Lujan et al. 2015:666 [ref. 33975] and as cf. loborhynchos on p. 699). Current status: Valid as Chaetostoma loborhynchos Tschudi 1846. Loricariidae: Hypostominae. Distribution: South America: Tambo River drainage, Ucayali River subbasin, Amazon basin, Peru. Habitat: freshwater.

machiquensis, Chaetostoma Fernández-Yépez [A.] & Martín Salazar [F. J.] 1953:238, Fig. [Memoria de la Sociedad de Ciencias Naturales La Salle v. 13 (no. 35); ref. 12693] Rio Negro, 16 kilometers west of Machiques, Estado Zulia, Venezuela. Holotype: MHNLS 1558 [not MHNLS 46, ex AFY 50145]. Paratypes: AFY 50145 (1). Type catalog: Lasso et al. 1997:45 [ref. 23639], Ferraris 2007:229 [ref. 29155]. •Valid as Chaetostoma machiquense Fernández-Yépez & Martín Salazar 1953 -- (Isbrücker 1980:61-62 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Ferraris 2007:229 [ref. 29155], Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma machiquense Fernández-Yépez & Martín Salazar 1953. Loricariidae: Hypostominae. Distribution: Negro River basin in Lake Maracaibo drainage, Venezuela. Habitat: freshwater.

marginatus, Chaetostomus Regan [C. T.] 1904:249, Pl. 13 (fig. 1) [Transactions of the Zoological Society of London v. 17 (pt 3, no. 1); ref. 3621] Salidero, northwestern Ecuador [= Near Bulún [Pulún], about 1°05'N, 78°40'W, Rio Bogota, Esmeraldas, Ecuador, elevation 50-110 m]. Syntypes: BMNH 1901.8.3/27-28 (2), ?1902.5.27.44 (1). Type catalog: Ferraris 2007:229 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma marginatus Regan 1904 -- (Ovchynnyk 1967:39 [ref. 37559]). •Valid as Chaetostoma marginatum Regan 1904 -- (Isbrücker 1980:62 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Ferraris 2007:229 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745], Jiménez-Prado et al. 2015:218 [ref. 34894], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:79 [ref. 35633]). Current status: Valid as Chaetostoma marginatum Regan 1904. Loricariidae: Hypostominae. Distribution: South America: Colombia and Ecuador. Habitat: freshwater.

marmorescens, Chaetostoma Eigenmann [C. H.] & Allen [W. R.] 1942:193 [Fishes of western South America; ref. 1246] Huanacachupa Creek near Huanuco, River Tingo, Peru, elevation 6000 feet. Holotype: IU 15403 (largest specimen) not at CAS. Paratypes: [none found at CAS in 1997] IU 15403 ("many"), IU 15402 (3). Type catalog: Ferraris 2007:229 [ref. 29155]. •Valid as Chaetostoma marmorescens Eigenmann & Allen 1942 -- (Isbrücker 1980:62 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Salcedo 2006:63 [ref. 28542], Salcedo 2006:218 [ref. 28842], Salcedo 2006:218 [ref. 28842], Ferraris 2007:229 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma marmorescens Eigenmann & Allen 1942. Loricariidae: Hypostominae. Distribution: Ecuador and Peru. Habitat: freshwater.

microps, Chaetostomus Günther [A.] 1864:250 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Andes of western Ecuador. Syntypes: BMNH 1860.6.16.137-143 (7). Type catalog: Ferraris 2007:229 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma microps Günther 1864 -- (Ovchynnyk 1967:39 [ref. 37559], Isbrücker 1980:62 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Ferraris 2007:229 [ref. 29155], Ballen 2011:388 [ref. 31653], Barriga Salazar 2014:113 [ref. 35745], Jiménez-Prado et al. 2015:220 [ref. 34894], Lujan et al. 2015:692 [ref. 33975], Lujan et al. 2015:666, 692 [ref. 33975]). Current status: Valid as Chaetostoma microps Günther 1864. Loricariidae: Hypostominae. Distribution: South America: Ecuador and Peru. Habitat: freshwater.

milesi, Chaetostomus Fowler [H. W.] 1941:2, Figs. 1-5 [Notulae Naturae (Philadelphia) No. 73; ref. 13236] Honda, Colombia. Holotype (unique): ANSP 69330. Type catalog: Böhlke 1984:123 [ref. 13621], Ferraris 2007:229 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma milesi Fowler 1941 -- (Isbrücker 1980:62 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Salcedo 2006:218 [ref. 28842], Salcedo 2006:218 [ref. 28842], Ferraris 2007:229 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:195 [ref. 34396], DoNascimiento et al. 2017:80 [ref. 35633]). Current status: Valid as Chaetostoma milesi Fowler 1941. Loricariidae: Hypostominae. Distribution: Magdalena and Apuré River basins: Colombia and Venezuela. Habitat: freshwater.

mollinasus, Chaetostomus Pearson [N. E.] 1937:96, Pl. 13 (figs. 1-2) [Proceedings of the California Academy of Sciences (Series 4) v. 23 (no. 7); ref. 12297] Balsas, elevation 3500 feet, and Cajamarca, elevation 9843 feet, Peru. Syntypes: CAS 64653 [ex IU 17654] (8), 64654 [ex IU 17655] (5). Type catalog: Ferraris 2007:230 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma mollinasum Pearson 1937 -- (Isbrücker 1980:62 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Salcedo 2006:63 [ref. 28542], Salcedo 2006:218 [ref. 28842], Ferraris 2007:230 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745] as cf. microps). •Synonym of Chaetostoma microps Günther 1864 -- (Lujan et al. 2015:676 [ref. 33975]). Current status: Synonym of Chaetostoma microps Günther 1864. Loricariidae: Hypostominae. Habitat: freshwater.

niveum, Chaetostoma Fowler [H. W.] 1944:238, Figs. 14-16 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 96; ref. 1452] Clear waters of Río Jurubidá, Nuquí, Colombia. Holotype (unique): ANSP 71432. Type catalog: Böhlke 1984:123 [ref. 13621], Ferraris 2007:230 [ref. 29155]. •Valid as Chaetostoma niveum Fowler 1944 -- (Isbrücker 1980:62 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Ferraris 2007:230 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633]). Current status: Valid as Chaetostoma niveum Fowler 1944. Loricariidae: Hypostominae. Distribution: Jurubidá River basin, Colombia. Habitat: freshwater.

nudirostris, Chaetostomus Lütken [C. F.] 1874:207 [6] [Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn, Aaret 1873 (nos 13-14); ref. 2854] Valencia, Venezuela. Holotype (unique): ZMUC P30168 [ex 71]. Type catalog: Nielsen 1974:52 [ref. 9588], Ferraris 2007:230 [ref. 29155]. Original genus is correctly Chaetostoma. On p. 6 of separate. •Valid as Chaetostoma nudirostre Lütken 1874 -- (Isbrücker 1980:63 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Ferraris 2007:230 [ref. 29155], Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], see DoNascimiento et al. 2017:[18] [ref. 35679]). Current status: Valid as Chaetostoma nudirostre Lütken 1874. Loricariidae: Hypostominae. Distribution: Lake Valencia basin, Venezuela. Habitat: freshwater.

orientale, Chaetostoma Meza-Vargas [V.], Calegari [B. B.], Lujan [N. K.], Ballen [G. A.], Oyakawa [O. T.], Sousa [L. M.], Rapp Py-Daniel [L.] & Reis [R. E.] 2022:366, Figs. 1-6 [Ichthyology & Herpetology v. 110 (no. 2); ref. 39368] Maicuru River at road PA-254, Amazon River basin, Monte Alegre, Pará, Brazil, 1°36'47"S, 54°22'37"W, elevation 33 meters. Holotype: MCP 54585. Paratypes: ANSP, INPA, MCP, MPEG, MZUSP, ROM, ZUEC. •Valid as Chaetostoma orientale Meza-Vargas, Calegari, Lujan, Ballen, Oyakawa, Sousa, Rapp Py-Daniel & Reis 2022. Current status: Valid as Chaetostoma orientale Meza-Vargas, Calegari, Lujan, Ballen, Oyakawa, Sousa, Rapp Py-Daniel & Reis 2022. Loricariidae: Hypostominae. Distribution: South America: Maicuru and Seiko River drainages, lower Amazon basin, Pará, Brazil. Habitat: freshwater.

palmeri, Chaetostomus Regan [C. T.] 1912:667, Pl. 75 (fig. 3) [Proceedings of the Zoological Society of London 1912 (pt 3) (art. 36); ref. 14862] Río Tamana, Río San Juan system, Chocó Dept., southwestern Colombia. Syntypes: BMNH 1910.7.11.120-121 (2). Original genus is correctly Chaetostoma. •Valid as Chaetostoma palmeri Regan 1912 -- (Isbrücker 1980:63 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633]). Current status: Valid as Chaetostoma palmeri Regan 1912. Loricariidae: Hypostominae. Distribution: Tamana River basin in San Juan River drainage, Colombia. Habitat: freshwater.

patiae, Chaetostoma Fowler [H. W.] 1945:118, Figs. 25-28 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 97; ref. 1454] Río Patia, Pacific slope of southwestern Colombia, elevation 3000 feet. Holotype: ANSP 71716. Paratypes: ANSP 71717 (1). Type catalog: Böhlke 1984:124 [ref. 13621], Ferraris 2007:230 [ref. 29155]. •Valid as Chaetostoma patiae Fowler 1945 -- (Isbrücker 1980:63 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Ferraris 2007:230 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633]). Current status: Valid as Chaetostoma patiae Fowler 1945. Loricariidae: Hypostominae. Distribution: Patia River basin, Colombia. Habitat: freshwater.

paucispinis, Chaetostomus Regan [C. T.] 1912:667, Pl. 75 (fig. 2) [Proceedings of the Zoological Society of London 1912 (pt 3) (art. 36); ref. 14862] Tado, Río San Juan, Chocó Dept., southwestern Colombia. Holotype (unique): BMNH 1910.7.11.119. Type catalog: Ferraris 2007:230 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma paucispinis Regan 1912 -- (Isbrücker 1980:63 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178] as paucispine, Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Ferraris 2007:230 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633]). Current status: Valid as Chaetostoma paucispinis Regan 1912. Loricariidae: Hypostominae. Distribution: San Juan River basin, Colombia. Habitat: freshwater.

pearsei, Chaetostomus Eigenmann [C. H.] 1920:8, Fig. 3; Pl. 2 [Indiana University Studies v. 7 (no. 44); ref. 11120] Río Castaño at Maracay, Venezuela. Holotype: CAS 64655 [ex IU 15077]. Paratypes: CAS 64656 [ex IU 15077] (3), 64657 [ex IU 15078] (1). Type catalog: Ferraris 2007:230 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma pearsei Eigenmann 1920 -- (Isbrücker 1980:63 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Salcedo 2006:218 [ref. 28842], Ferraris 2007:230 [ref. 29155], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma pearsei Eigenmann 1920. Loricariidae: Hypostominae. Distribution: Lake Valencia and Tuy River basins, Venezuela. Habitat: freshwater.

platyrhynchus, Hemiancistrus Fowler [H. W.] 1943:252, Figs. 36-39 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Florencia, Río Orteguasa basin, Colombia. Holotype: ANSP 70512. Paratypes: ANSP 70513-15 (3). Type catalog: Böhlke 1984:124 [ref. 13621], Ferraris 2007:232 [ref. 29155]. Specific name to be treated as a noun in apposition -- Ballen et al. 2016:194 [ref. 34396]. •Valid as Peckoltia platyrhynchus (Fowler 1943) -- (Isbrücker 1980:56 [ref. 2303] as platyrhyncha, Burgess 1989:435 [ref. 12860] as platyrhyncha). •Valid as Cordylancistrus platyrhynchus (Fowler 1943) -- (see Burgess & Finley 1996:168 [ref. 22901] as platyrhyncha, Isbrücker 2001:26, 27 [ref. 25653], Isbrücker 2002:15 [ref. 27178], Cardoso & Lucinda 2003:74 [ref. 26858], Fisch-Muller in Reis et al. 2003:383 [ref. 27061], Provenzano & Milani 2006:34 [ref. 28579], Ferraris 2007:232 [ref. 29155]). •Valid as Chaetostoma platyrhyncha (Fowler 1943) -- (Tan & Armbruster 2012:52 [ref. 31842], Armbruster et al. 2015:99 [ref. 33670]). •Valid as Chaetostoma platyrhynchus (Fowler 1943) -- (Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:194 [ref. 34396], Provenzano et al. 2017:263 [ref. 35613], DoNascimiento et al. 2017:80 [ref. 35633], Urbano-Bonilla & Ballen 2021:12 [ref. 38058]). Current status: Valid as Chaetostoma platyrhynchus (Fowler 1943). Loricariidae: Hypostominae. Distribution: Amazon and Orinoco River basins, Colombia. Habitat: freshwater.

sovichthys, Chaetostoma anomala Schultz [L. P.] 1944:292, Pl. 8 (figs. A-B) [Proceedings of the United States National Museum v. 94 (no. 3172); ref. 3959] Near bridge over the Río San Pedro, tributary of the Río Motatán, southeast of Mene Grande, Maracaibo basin, Venezuela. Holotype: USNM 121053. Paratypes: Dahl coll. [ex USNM 121058] (3); MCZ 37221 [ex USNM 121056] (10); UMMZ 141943 [ex USNM 121056] (6); USNM 86262 (2), 121054-55 (15, 20), 121056 (118, now 94), 121057 (3), 121058 (14, now 11); ZMA 102125 [ex USNM 121056] (7 or 8). Type catalog: Nijssen et al. 1982:41 [ref. 19236], Ferraris & Vari 1992:26 [ref. 19771], Ferraris 2007:230 [ref. 29155]. •Synonym of Chaetostoma anomala Regan 1903, but a valid subspecies as described -- (Galvis et al. 1997:83 [ref. 23651]). •Valid as Chaetostoma sovichthys Schultz 1944 -- (Isbrücker 1980:63-64 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Ferraris 2007:230 [ref. 29155], Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633], see DoNascimiento et al. 2017:[18] [ref. 35679]). Current status: Valid as Chaetostoma sovichthys Schultz 1944. Loricariidae: Hypostominae. Distribution: Lake Maracaibo, Motatán River and tributaries, Venezuela; ? Catatumbo River basin, Colombia. Habitat: freshwater.

spondylus, Chaetostoma Salcedo [N. J.] & Ortega [H.] 2015:152, Fig. 1 [Neotropical Ichthyology v. 13 (no. 1); ref. 33747] Peru, Departamento de Cajamarca, Celendín, Sorochuco, W of Sorochuco, río Sendamal, tributary of río Marañón, 6°51’29.5"S, 78°15’35.2"W. Holotype: MUSM 33341. Paratypes: MUSM 33338-39, 36146, 40563, 48327-28, 48330, ROM 91081-82. •Valid as Chaetostoma spondylus Salcedo & Ortega 2015. Current status: Valid as Chaetostoma spondylus Salcedo & Ortega 2015. Loricariidae: Hypostominae. Distribution: Río Chotano, río Huancabamba, río Sendamal, and río Utcubamba, mountain tributaries (1500-2000 m above sea level) of río Marañón, Amazon River basin, Peru. Habitat: freshwater.

stannii, Chaetostomus Lütken [C. F.] (ex Krøyer) 1874:206 [5] [Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn, Aaret 1873 (nos 13-14); ref. 2854] Puerto Cabello, Venezuela. Holotype: ZMUC P30169 [EX 72]. Type catalog: Nielsen 1974:52 [ref. 9588], Ferraris 2007:230 [ref. 29155] Original genus is correctly Chaetostoma. On p. 5 of separate. •Valid as Chaetostoma stannii Lütken 1874 -- (Isbrücker 1980:64 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Ferraris 2007:230 [ref. 29155], Tan & Armbruster 2012:58 [ref. 31842], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma stannii Lütken 1874. Loricariidae: Hypostominae. Distribution: Caribbean coastal drainages of Venezuela. Habitat: freshwater.

stannii, Hypostomus Lütken [C. F.] (ex Krøyer) 1874:206 [5] [Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn, Aaret 1873 (nos 13-14); ref. 2854] On p. 5 of separate. Not available, name in the synonymy of Chaetostomus stannii Lütken. •In the synonymy of Chaetostoma stannii Lütken 1874 -- (Isbrücker 2001:28 [ref. 25653]). Nomen Nudum. Current status: Synonym of Chaetostoma stannii Lütken 1874. Loricariidae: Hypostominae.

stroumpoulos, Chaetostoma Salcedo [N. J.] 2006:213, Figs. 3b, 4-5 [Ichthyological Exploration of Freshwaters v. 17 (no. 3); ref. 28842] Tingo María, Río Huallaga, 9°18'S, 76°00'W, Province Leoncio Prado, Depto. Huánuco, Peru. Holotype: MUSM 23491. Paratypes: Several lots at ANSP, CAS-SU, MUSM. Plus non-type material. Not treated by Ferraris 2007 [ref. 29155]. •Valid as Chaetostoma stroumpoulos Salcedo 2006 -- (Ferraris 2007:444 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], Ballen et al. 2016:195 [ref. 34396] as strompoulos). Current status: Valid as Chaetostoma stroumpoulos Salcedo 2006. Loricariidae: Hypostominae. Distribution: Upper Huallaga River basin, Peru. Habitat: freshwater.

tachiraensis, Chaetostoma Schultz [L. P.] 1944:288, Pl. 7 (figs. B-C) [Proceedings of the United States National Museum v. 94 (no. 3172); ref. 3959] Río Táchira, tributary of Río Zulia, 7 kilometers north of San Antonio, Rio Catatumbo system, Táchira state, Venezuela. Holotype: USNM 121052. Paratypes: USNM 101612 (1). Type catalog: Ferraris & Vari 1992:26 [ref. 19771]. •Valid as Chaetostoma tachiraense Schultz 1944 -- (Isbrücker 1980:64 [ref. 2303], Burgess 1989:436 [ref. 12860], Galvis et al. 1997:73 [ref. 23651], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Ferraris 2007:230 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633]). Current status: Valid as Chaetostoma tachiraense Schultz 1944. Loricariidae: Hypostominae. Distribution: Catatumbo River basin in Lake Maracaibo drainage: Colombia and Venezuela. Habitat: freshwater.

taczanowskii, Chaetostomus Steindachner [F.] 1882:177 [Anzeiger der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftlichen Klasse v. 19 (no. 19); ref. 20487] Upper rio Huambo basin, Río de la Tortora, 6°26'S, 77°18'W, upper Amazon system, Peru. Lectotype: NMW 47219 (9 cm). Paralectotypes: NMW 47219 (1, not 9 cm). Type catalog: Ferraris 2007:231 [ref. 29155]. Original genus is correctly Chaetostoma. Species later illustrated and described in more detail in Steindachner 1882:23, Pl. 5 (figs. 2-2a) [ref. 14353]. See Fisch-Muller in Reis et al. 2003:382 [ref. 27061] for possible holotype. Lectotype established by Isbrücker 1980:64 [ref. 2302] -- see Ferraris 2007:230 [ref. 29155]. •Valid as Chaetostoma taczanowskii Steindachner 1882 -- (Isbrücker 1980:64 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Salcedo 2006:63 [ref. 28542], Ferraris 2007:231 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745] as taczaznowskii, Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma taczanowskii Steindachner 1882. Loricariidae: Hypostominae. Distribution: Ecuador and Peru. Habitat: freshwater.

thomsoni, Chaetostomus Regan [C. T.] 1904:250, Pl. 14 (fig. 2) [Transactions of the Zoological Society of London v. 17 (pt 3, no. 1); ref. 3621] Villeta, Colombia. Syntypes: BMNH 1902.5.15.28-30 (3). Type catalog: Ferraris 2007:231 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma thomsoni Regan 1904 -- (Ovchynnyk 1967:39 [ref. 37559], Isbrücker 1980:64 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Salcedo 2006:218 [ref. 28842], Ferraris 2007:231 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633]). Current status: Valid as Chaetostoma thomsoni Regan 1904. Loricariidae: Hypostominae. Distribution: South America: Magdalena River basin (Colombia). Habitat: freshwater.

trifasciatus, Chaetostomus Steindachner [F.] in Kähsbauer 1959:15 [Annalen des Naturhistorischen Museums in Wien v. 63; ref. 19695] Original genus is correctly Chaetostoma. Name only, not available; see Isbrücker 1980:64 [ref. 2303] who could find no description of this species by Steindachner in 1902. Nomen Nudum. Loricariidae: Hypostominae.

trimaculineum, Chaetostoma Lujan [N. K.], Meza-Vargas [V.], Astudillo-Clavijo [V.], Barriga Salazar [R. E.] & López-Fernández [H.] 2015:694, Figs. 13-14 [Copeia 103 (no. 3); ref. 33975] Santiago River drainage, Morona-Santiago Province, confluence of the Changachangasa and Tutanangosa rivers and upstream in both, 2°35'51.18"S, 78°11'10.38"W. Holotype: MEPN 14688 [ex ROM 93894]. Paratypes: AUM, MEPN, MUSM. Plus non-type material. •Valid as Chaetostoma trimaculineum Lujan, Meza-Vargas, Astudillo-Clavijo, Barriga Salazar & López-Fernández 2015. Current status: Valid as Chaetostoma trimaculineum Lujan, Meza-Vargas, Astudillo-Clavijo, Barriga Salazar & López-Fernández 2015. Loricariidae: Hypostominae. Distribution: South America: upper Santiago and middle Marañon river drainages in eastern Ecuador and northern Peru. Habitat: freshwater.

vagus, Chaetostomus Fowler [H. W.] 1943:258, Figs. 52-55 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Río Orteguasa, Florencia, Caquetá, Colombia. Holotype: ANSP 70521. Paratypes: ANSP 70522 (1), 70523-24 (2). Type catalog: Böhlke 1984:125 [ref. 13621], Ferraris 2007:231 [ref. 29155]. Original genus is correctly Chaetostoma. •Valid as Chaetostoma vagum Fowler 1943 -- (Isbrücker 1980:65 [ref. 2303], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Salcedo 2006:218 [ref. 28842], Salcedo 2006:218 [ref. 28842], Ferraris 2007:231 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], DoNascimiento et al. 2017:80 [ref. 35633]). •Synonym of Chaetostoma anale (Fowler 1943) -- (Urbano-Bonilla & Ballen 2021:11 [ref. 38058]). Current status: Synonym of Chaetostoma anale (Fowler 1943). Loricariidae: Hypostominae. Habitat: freshwater.

vasquezi, Chaetostoma Lasso [C. A.] & Provenzano [F.] 1998:55, Fig. [Memoria, Fundación La Salle de Ciencias Naturales v. 57 (no. 147) (for Jan.-June 1997); ref. 24173] Raudales del Caño El Cambur, tributary of Rio Caura, Bolívar State, Venezuela. Holotype: MHNLS 8791. Paratypes: MBUCV-V-6805 (3), V-20542 (1), V-27940 (1); MCNG 18342 (36), 34750 (1), 35555 (1); MHNLS 12147-49 (11, 1, 1), 12197 (1). Type catalog: Provenzano et al. 1998:5 [ref. 24196], Ferraris 2007:231 [ref. 29155]. •Valid as Chaetostoma vasquezi Lasso & Provenzano 1998 -- (Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Ferraris 2007:231 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], Provenzano et al. 2017:264 [ref. 35613], Meza-Vargas et al. 2022:376 [ref. 39368]). Current status: Valid as Chaetostoma vasquezi Lasso & Provenzano 1998. Loricariidae: Hypostominae. Distribution: South America: Orinoco, Caura and Caroni River basins, Venezuela. Habitat: freshwater.

venezuelae, Corymbophanes Schultz [L. P.] 1944:41, Pl. 1 (figs. 1-3); Fig. 2 [Zoologica, Scientific Contributions of the New York Zoological Society v. 29 (pt 1, no. 5); ref. 10140] Río Caripe, Caripito, Venezuela. Holotype: USNM 120752 or NYZS 30064. Paratypes: NYZS, ? Dept. Trop. Res. 30064 (1). Type catalog: Ferraris & Vari 1992:26 [ref. 19771], Ferraris 2007:231 [ref. 29155]. •Valid as Chaetostoma venezuelae (Schultz 1944) -- (Isbrücker 1980:65 [ref. 2303], Burgess 1989:436 [ref. 12860], Armbruster et al. 2000:997 [ref. 25018], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:382 [ref. 27061], Ferraris 2007:231 [ref. 29155], Lujan et al. 2015:666 [ref. 33975], Provenzano et al. 2017:264 [ref. 35613]). Current status: Valid as Chaetostoma venezuelae (Schultz 1944). Loricariidae: Hypostominae. Distribution: San Juan River basin, Venezuela. Habitat: freshwater.

yurubiense, Chaetostoma Ceas [P. A.] & Page [L. M.] 1996:672, Fig. 2 (top) [Copeia 1996 (no. 3); ref. 22228] Río Mayorica, Río Yaracuy system, 9 kilometers north Albarico near Mayorica, Lara State, Venezuela, 10°25'43"N, 68°40'47"W. Holotype: INHS 34942. Paratypes: INHS 28872 (1); MBUCV-V-26455 (1); MCNG 14069 (1), 24658 (7), 24711 (1); SIUC 24088 (1); TU 173801 (1); UAIC 11131.01 (1); USNM 336693 [ex INHS 59992] (1). Type catalog: Sabaj et al. 1997:272 [ref. 23225], Provenzano et al. 1998:5 [ref. 24196], Ferraris 2007:231 [ref. 29155]. •Valid as Chaetostoma yurubiense Ceas & Page 1996 -- (Burgess & Finley 1996:170 [ref. 22901], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:383 [ref. 27061], Ferraris 2007:231 [ref. 29155], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma yurubiense Ceas & Page 1996. Loricariidae: Hypostominae. Distribution: Yaracuy, Urama and Aroa River basins, Venezuela. Habitat: freshwater.