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 Hypopomidae: [ 40 ] records

alberti, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:653, Fig. 4 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Stream near San José, municipality Riberalta, Río Beni drainage, Rio Madeira basin, Beni, Bolivia, 10°55'32"S, 066°00'36"W. Holotype: CBF 10284. Paratypes: ANSP, CBF, UMSS. Plus non-type material. Type catalog: Ferraris et al. 2017:[21] [ref. 35236]. •Valid as Brachyhypopomus alberti Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[21] [ref. 35236], Ochoa et al. 2020:63 [ref. 37781]). Current status: Valid as Brachyhypopomus alberti Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: upper Rio Madeira basin (Bolivia and Brazil). Habitat: freshwater.

arrayae, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:664, Fig. 6 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Small stream near Puerto Hamburgo, municipality Riberalta, Río Beni drainage, Rio Madeira basin, Beni, Bolivia, 11°01'52"S, 66°05'39"W. Holotype: UMSS 7048. Paratypes: ANSP, AUM, CAS, CBF, UF, UMSS. Plus non-type material. Type catalog: Ferraris et al. 2017:[21] [ref. 35236]. •Valid as Brachyhypopomus arrayae Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[21] [ref. 35236], Ochoa et al. 2020:63 [ref. 37781]). Current status: Valid as Brachyhypopomus arrayae Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: upper Madeira River basin (Bolivia, Brazil and Peru). Habitat: freshwater.

artedi, Rhamphichthys Kaup [J. J.] 1857:128, Fig. 3 [Catalogue of the apodal fish in the collection of the British Museum; ref. 2573] La Mana River, French Guiana. Holotype (unique): MNHN 0000-3157. Type catalog: Ferraris et al. 2017:[25] [ref. 35236]. •Valid as Hypopomus artedi (Kaup 1857) -- (Hopkins 1991:155 [ref. 19506], Mago-Leccia 1994:47 [ref. 21320], Planquette et al. 1996:392 [ref. 22818], Albert & Campos-da-Paz 1998:423 [ref. 23853], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], López et al. 2003:65 [ref. 27366], Menni 2004:85 [ref. 28131], Carvalho et al. 2011:405 [ref. 31553], de Santana & Crampton 2011:1155 [ref. 31643], Maldonado-Ocampo et al. 2013:9 [ref. 32878], Sarmiento et al. 2014:188 [ref. 35004], Azpelicueta & Koerber 2015:41 [ref. 33654], Ferraris et al. 2017:[25] [ref. 35236], see DoNascimiento et al. 2017:[14] [ref. 35679], Ochoa et al. 2020:64 [ref. 37781], Borstein et al. 2022:16 [ref. 39507], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Hypopomus artedi (Kaup 1857). Hypopomidae. Distribution: South America: Brazil, Bolivia, French Guiana, Guyana and Suriname. Habitat: freshwater.

batesi, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:667, Figs. 1a, 8 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Igarapé Xidarini, affluent lago Tefé (mouthbay of rio Tefé), Amazonas drainage, Amazonas, Brazil, 03°23'52"S, 64°41'17"W. Holotype: MCP 47020. Paratypes: MCP. Plus non-type material. Type catalog: Ferraris et al. 2017:[21] [ref. 35236]. •Valid as Brachyhypopomus batesi Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[21] [ref. 35236], DoNascimiento et al. 2017:65 [ref. 35633], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Brachyhypopomus batesi Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: central Amazon basin and upper Rio Negro (Brazil, Colombia and Guyana). Habitat: freshwater.

beebei, Hypopomus Schultz [L. P.] 1944:40, Pl. 1 (fig. 4); Fig. 1 [Zoologica, Scientific Contributions of the New York Zoological Society v. 29 (pt 1, no. 5); ref. 10140] Río Caripe near Caripito, Estado Monagas, Venezuela. Holotype: USNM 120753 (tail missing). Paratypes: AMNH 15453 [ex NYZS 30040] (3 or 2), MBUCV-V-15163 [ex AMNH 15453] (1). Type catalog: Ferraris & Vari 1992:5 [ref. 19771], Provenzano et al. 1998:11 [ref. 24196], Ferraris et al. 2017:[22] [ref. 35236]. •Valid as Hypopomus beebei Schultz 1944 -- (Hopkins 1991:155 [ref. 19506]). •Valid as Brachyhypopomus beebei (Schultz 1944) -- (Mago-Leccia 1994:48 [ref. 21320], Planquette et al. 1996:396 [ref. 22818], Albert & Campos-da-Paz 1998:426 [ref. 23853], Albert & Crampton in Reis et al. 2003:494 [ref. 27061], Triques & Khamis 2003:63 [ref. 27465], Giora et al. 2008:159 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Sullivan et al. 2013:3 [ref. 32879], Barriga Salazar 2014:116 [ref. 35745], Sarmiento et al. 2014:188 [ref. 35004], Crampton et al. 2016:53 [ref. 34832], Crampton et al. 2017:669 [ref. 35114], Ferraris et al. 2017:[22] [ref. 35236], DoNascimiento et al. 2017:65 [ref. 35633], Ochoa et al. 2020:63 [ref. 37781], Dutra et al. 2021:12 [ref. 38178], Meza-Vargas et al. 2021:21 [ref. 39298], Koerber et al. 2022:44 [ref. 39235], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Brachyhypopomus beebei (Schultz 1944). Hypopomidae. Distribution: South America: Amazon and Orinoco river basins (Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela). Habitat: freshwater.

belindae, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:677, Figs. 1c, 11 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Municipality Alvarães, Mamirauá Reserve, lago Araçazinho, rio Solimões-Japurá floodplain, Amazonas drainage, Amazonas, Brazil, 02°59'35"S, 64°51'33"W. Holotype: MCP 45360. Paratypes: INHS, MCP. Type catalog: Ferraris et al. 2017:[22] [ref. 35236]. •Valid as Brachyhypopomus belindae Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[22] [ref. 35236]). Current status: Valid as Brachyhypopomus belindae Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: Central Amazon River basin, Brazil. Habitat: freshwater.

benjamini, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:679, Fig. 12 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Quebrada Caño Fierro, near Jenaro Herrera, río Ucayali drainage, municipality Requena, Amazon basin, Loreto, Peru, 04°51'59"S, 73°38'48"W. Holotype: MUSM 39915. Paratypes: MUSM, UF, USNM. Plus non-type material. Type catalog: Ferraris et al. 2017:[22] [ref. 35236]. •Valid as Brachyhypopomus benjamini Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[22] [ref. 35236], Meza-Vargas et al. 2021:21 [ref. 39298]). Current status: Valid as Brachyhypopomus benjamini Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: upper Amazon River basin (Peru). Habitat: freshwater.

bennetti, Brachyhypopomus (Odontohypopomus) Sullivan [J. P.], Zuanon [J.] & Cox Fernandes [C.] 2013:14, Figs. 6-7, 8 (top 3) [ZooKeys No. 327; ref. 32879] Floating meadow along side of lake in the Paraná do Paracuúba, near mouth of Rio Negro and entrance to Lago Janauari, approx. 15 km due south of Manaus, 03°12.6'S, 059°59.40'W, Amazonas, Brazil. Holotype: INPA 39560. Paratypes: (18) ANSP, CUMV, INPA. Plus non-types from Bolivia, Brazil, Colombia, Ecuador and Peru. Type catalog: Ferraris et al. 2017:[22] [ref. 35236]. •Valid as Brachyhypopomus bennetti Sullivan, Zuanon & Cox Fernandes 2013 -- (Sarmiento et al. 2014:188 [ref. 35004], Crampton et al. 2016:52 [ref. 34832], Crampton et al. 2017:681 [ref. 35114], Ferraris et al. 2017:[22] [ref. 35236], DoNascimiento et al. 2017:65 [ref. 35633], Ochoa et al. 2020:63 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298], Torgersen et al. 2023:779 [ref. 40692]). Current status: Valid as Brachyhypopomus bennetti Sullivan, Zuanon & Cox Fernandes 2013. Hypopomidae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Colombia, Ecuador and Peru). Habitat: freshwater.

bilineatus, Microsternarchus Fernández-Yépez [A.] 1968:[3], Pl. 2 (unnumb.) [Evencias No. 20; ref. 7318] Río San Bartolo, tributary of River Guariquito, southwest of Calabozo, Venezuela. Neotype: INHS 111262. Original types MACLPI 65252 (27, lost). Type catalog: Ferraris et al. 2017:[25] [ref. 35236]. On third unnumbered page. Neotype designated by Cox Fernandes & Williston 2017:105 [ref. 35647]. •Valid as Microsternarchus bilineatus Fernández-Yépez 1968 -- (Mago-Leccia 1994:52 [ref. 21320], Albert & Campos-da-Paz 1998:426 [ref. 23853], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], de Santana & Crampton 2011:1155 [ref. 31643], Cox Fernandes et al. 2014:110 [ref. 33285], Cox Fernandes et al. 2015:213 [ref. 33927], Melo et al. 2016:134 [ref. 34701], Ferraris et al. 2017:[25] [ref. 35236], Cox Fernandes & Williston 2017:105 [ref. 35647], DoNascimiento et al. 2017:66 [ref. 35633], Ochoa et al. 2020:64 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. 2022:40 [ref. 41297], Sousa et al. 2024:516 [ref. 41134]). Current status: Valid as Microsternarchus bilineatus Fernández-Yépez 1968. Hypopomidae. Distribution: South America: upper Orinoco River and Rio Negro basins (Guyana and Venezuela). Habitat: freshwater.

bombilla, Brachyhypopomus Loureiro [M.] & Silva [A.] 2006:666, Figs. 1-2 [Copeia 2006 (no. 4); ref. 28920] Cuarto Palmas stream, Los Patos-Merín system, Ruta 15 kilometer 268, 33°23'43"S, 53°51'53"W, Rocha Departamiento, Uruguay. Holotype: ZVC-P 6287. Paratypes: MNHN [Montevideo, MNHNM] 3210 (1); ZVC-P 5686 (10, 3 c&s), 5688 (1). Type catalog: Loureiro et al. 2016:412, 414 [ref. 35150], Ferraris et al. 2017:[22] [ref. 35236]. •Valid as Brachyhypopomus bombilla Lourerio & Silva 2006 -- (Giora et al. 2008:160 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Koerber 2011:6 [ref. 31122], Sullivan et al. 2013:3 [ref. 32879], Koerber 2014:11 [ref. 33621], Litz & Koerber 2014:28 [ref. 33622], Mirande & Koerber 2015:48 [ref. 35117], Bertaco et al. 2016:422 [ref. 34561], Crampton et al. 2016:55 [ref. 34832], Nión et al. 2016:34 [ref. 35565] as Brachypopomus, Crampton et al. 2017:687 [ref. 35114], Ferraris et al. 2017:[22] [ref. 35236], Koerber et al. 2017:69 [ref. 35267], Ochoa et al. 2020:63 [ref. 37781], Dutra et al. 2021:12 [ref. 38178], Loureiro et al. 2023:82 [ref. 40506]). Current status: Valid as Brachyhypopomus bombilla Loureiro & Silva 2006. Hypopomidae. Distribution: South America: Uruguay, Argentina, Paraguay, Bolivia, Brazil, Uruguay and Peru. Habitat: freshwater.

brevirostris, Rhamphichthys Steindachner [F.] 1868:177 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 5 (no. 20) (for 23 July 1868); ref. 20464] Rio Guaporé, Brazil. Lectotype: NMW 65040. Paralectotypes: NMW 65038-39 (4, 3). Type catalog: Ferraris et al. 2017:[22] [ref. 35236]. Species was later illustrated and described in more detail in Steindachner 1868:254, Pl. 2 (fig. 2) [ref. 14082]. Lectotype selected by Schindler 1937:19 [ref. 35119]. •Mention -- (Malabarba 1989:157 [ref. 14217]). •Valid as Hypopomus brevirostris (Steindachner 1868) -- (Ortega & Vari 1986:13 [ref. 9708], Hopkins 1991:155 [ref. 19506], Bussing 1998:135 [ref. 24179]). •Valid as Brachyhypopomus brevirostris (Steindachner 1868) -- (Mago-Leccia 1994:48 [ref. 21320], Chang & Ortega 1995:6 [ref. 24302], Planquette et al. 1996:396 [ref. 22818], Albert & Campos-da-Paz 1998:426 [ref. 23853], Albert & Crampton in Reis et al. 2003:494 [ref. 27061], López et al. 2003:65 [ref. 27366], Casciotta et al. 2003:143 [ref. 28130] as cf. brevirostris, Menni 2004:85 [ref. 28131], Lourerio & Silva 2006:671 [ref. 28920], Giora et al. 2008:159 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], de Santana & Crampton 2011:1154 [ref. 31643], Sullivan et al. 2013:3 [ref. 32879], Barriga Salazar 2014:116 [ref. 35745], Cox Fernandes et al. 2014:110 [ref. 33285], Sarmiento et al. 2014:188 [ref. 35004], Azpelicueta & Koerber 2015:41 [ref. 33654], Crampton et al. 2016:54 [ref. 34832], Nión et al. 2016:34 [ref. 35565] as Brachypopomus, Crampton et al. 2017:692 [ref. 35114], Ferraris et al. 2017:[22] [ref. 35236], DoNascimiento et al. 2017:65 [ref. 35633], Urbano-Bonilla et al. 2018:71 [ref. 35773], Ochoa et al. 2020:64 [ref. 37781], Dutra et al. 2021:12 [ref. 38178], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. 2022:39 [ref. 41297], Cortés Hernández et al. 2023:456 [ref. 40760]). Current status: Valid as Brachyhypopomus brevirostris (Steindachner 1868). Hypopomidae. Distribution: South America: Amazon and Orinoco river basins (French Guiana, Suriname, Guyana, Venezuela, Colombia, Brazil, Ecuador, Uruguay, Peru and Bolivia). Habitat: freshwater.

brevis, Microsternarchus Cox Fernandes [C.], Nogueira [A.], Williston [A.] & Alves-Gomes [J. A.] 2015:215, Figs. 1, 4, 5 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 164 (no. 1); ref. 33927] Amazonas State, Santa Isabel do Rio Negro, Rio Negro, Igarapé Jaradi, Brazil, 00°19′05"S, 65°18′31"W. Holotype: INPA 48028. Paratypes: ANSP, INPA, MCZ. Plus non-type specimens. Type catalog: Ferraris et al. 2017:[25] [ref. 35236]. •Valid as Microsternarchus brevis Cox Fernandes, Nogueira, Williston & Alves-Gomes 2015 -- (Ferraris et al. 2017:[25] [ref. 35236], Ochoa et al. 2020:64 [ref. 37781], Sousa et al. 2024:516 [ref. 41134]). Current status: Valid as Microsternarchus brevis Cox Fernandes, Nogueira, Williston & Alves-Gomes 2015. Hypopomidae. Distribution: South America: middle Rio Negro drainage, Amazon basin, Amazonas State, Brazil. Habitat: freshwater.

bullocki, Brachyhypopomus Sullivan [J. P.] & Hopkins [C. D.] 2009:186, Fig. 1 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 158; ref. 30151] "Flor Amarillo" (río Metica-Meta drainage), Rancho Llano Grande, north of Mozambique Ranch, 4.033°N, 73.050°W, Meta State, Colombia. Holotype: ANSP 187477. Paratypes: many at ANSP, CUMV, INHS. Plus many types. Type catalog: Ferraris et al. 2017:[22] [ref. 35236]. •Valid as Brachyhypopomus bullocki Sullivan & Hopkins 2009 -- (Almirón et al. 2010:572 [ref. 31124], Sullivan et al. 2013:3 [ref. 32879], Cox Fernandes et al. 2014:110 [ref. 33285], Crampton et al. 2016:54 [ref. 34832], Crampton et al. 2017:702 [ref. 35114], Ferraris et al. 2017:[22] [ref. 35236], DoNascimiento et al. 2017:65 [ref. 35633], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Brachyhypopomus bullocki Sullivan & Hopkins 2009. Hypopomidae. Distribution: South America: Amazon and Orinoco river basins (Brazil, Colombia, Guyana and Venezuela). Habitat: freshwater.

cunia, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:706, Fig. 20 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Reserva Extrativista do lago do Cuniã, igarapé do Campo, affluent lago Cuniã, rio Madeira floodplain, Amazonas basin, Rondônia, Brazil, 08°19'14"S, 63°28'05"W. Holotype: INPA 37690. Paratypes: INPA, MCP, MPEG, MZUSP, UFRO-I. Plus many non-type materials. Type catalog: Ferraris et al. 2017:[22] [ref. 35236]. •Valid as Brachyhypopomus cunia Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[22] [ref. 35236]). Current status: Valid as Brachyhypopomus cunia Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: Madeira River basin, Brazil. Habitat: freshwater.

degy, Brachyhypopomus Dutra [G. M.], Peixoto [L. A. W.], Ochoa [L. E.], Ohara [W. M.], de Santana [C. D.], Menezes [N. A.] & Datovo [A.] 2021:3, Figs. 1, 4-6 [Systematics and Biodiversity v. 19 (no. 4); ref. 38178] Unnamed stream tributary of Rio Doze de Outubro, upper Rio Juruena, Rio Tapajós basin, Comodoro, Mato Grosso, Brazil, 12°54'8"S, 60°01'06"W. Holotype: MZUSP 125768. Paratypes: MZUSP, UFRGS, USNM. Plus additional non-type material. •Valid as Brachyhypopomus degy Dutra, Peixoto, Ochoa, Ohara, de Santana, Menezes & Datovo 2021. Current status: Valid as Brachyhypopomus degy Dutra, Peixoto, Ochoa, Ohara, de Santana, Menezes & Datovo 2021. Hypopomidae. Distribution: South America: upper Rio Juruena drainage, Rio Tapajós basin and upper Rio Machado drainage, Rio Madeira basin, Amazon system, Mato Grosso, Brazil. Habitat: freshwater.

diazi, Hypopomus Fernández-Yépez [A.] 1972:20, Pl. 21 [Análisis ictiológico del complejo hidrográfico; ref. 19696] Río Alpargatón, Río Yaracuy drainage, Estado Carabobo, Venezuela. Holotype: no repository stated. Paratypes: (1). Type catalog: Ferraris et al. 2017:[22] [ref. 35236]. Appeared originally as diazi, but named for Miss María Isabel (Betty) Díaz, therefore the correct species epithet would be diazae, not to be corrected according to the ICZN. •Valid as Hypopomus diazi Fernández-Yépez 1972 -- (Hopkins 1991:155 [ref. 19506]). •Synonym of Brachyhypopomus occidentalis Regan 1914 -- (Triques & Khamis 2003:61 [ref. 27465]). •Valid as Brachyhypopomus diazi (Fernández-Yépez 1972) -- (Mago-Leccia 1994:48 [ref. 21320], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Giora et al. 2008:159 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], de Santana & Crampton 2011:1154 [ref. 31643], Sullivan et al. 2013:3 [ref. 32879], Crampton et al. 2016:56 [ref. 34832], Crampton et al. 2017:708 [ref. 35114], Ferraris et al. 2017:[22] [ref. 35236]). Current status: Valid as Brachyhypopomus diazi (Fernández-Yépez 1972). Hypopomidae. Distribution: South America: northwestern Venezuela and Llanos of Orinoco basin, trans- and cis-Andean drainages. Habitat: freshwater.

draco, Brachyhypopomus Giora [J.], Malabarba [L. R.] & Crampton [W. G. R.] 2008:161, Figs. 1-2 [Neotropical Ichthyology v. 6 (no. 2); ref. 29707] Parque Estadual de Itapuã Verde, lagoa Verde (30°22'52.4"S, 51°01'25"W), Rio Grande do Sul, Brazil. Holotype: MCP 41540. Paratypes: many at MCP, MNRJ, UFRGS, ?ZVC. Plus non-type material. Type catalog: Loureiro et al. 2016:414 [ref. 35150], Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus draco Giora, Malabarba & Crampton 2008 -- (Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Koerber 2011:6 [ref. 31122], Sullivan et al. 2013:3 [ref. 32879], Koerber 2014:11 [ref. 33621], Litz & Koerber 2014:28 [ref. 33622], Mirande & Koerber 2015:48 [ref. 35117], Bertaco et al. 2016:422 [ref. 34561], Crampton et al. 2016:54 [ref. 34832], Nión et al. 2016:34 [ref. 35565] as Brachypopomus, Crampton et al. 2017:712 [ref. 35114], Ferraris et al. 2017:[23] [ref. 35236], Koerber et al. 2017:69 [ref. 35267], Dutra et al. 2021:12 [ref. 38178], Giora & Wingert 2023:32 [ref. 41026], Loureiro et al. 2023:82 [ref. 40506]). Current status: Valid as Brachyhypopomus draco Giora, Malabarba & Crampton 2008. Hypopomidae. Distribution: South America: Brazil, Uruguay, Paraguay and Argentina. Habitat: freshwater.

fimbriipinna, Racenisia Mago-Leccia [F.] 1994:88, Figs. 66a, 74c-d, 77, 97a-b [Electric fishes of the continental waters of America; ref. 21320] El Pozo de Lucas, San Fernando de Atabapo, Estado Amazonas, Venezuela. Holotype: MBUCV-V-7540. Paratypes: AMNH 58649 (2); MBUCV-V-7127 (29, not 25), V-7142 (2), V-7309 (2, not 1), V-14751 (2); USNM 214709 (7). Type catalog: Provenzano et al. 1998:16 [ref. 24196], Ferraris et al. 2017:[25] [ref. 35236]. •Valid as Microsternarchus fimbriipinnus (Mago-Leccia 1994) -- (Albert & Campos-da-Paz 1998:426 [ref. 23853], Lima & Toledo-Piza 2001:1062 [ref. 25823] as fimbripinnus). •Valid as Racenisia fimbriipinna Mago-Leccia 1994 -- (Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Cox Fernandes et al. 2014:111 [ref. 33285], Ferraris et al. 2017:[25] [ref. 35236]). Current status: Valid as Racenisia fimbriipinna Mago-Leccia 1994. Hypopomidae. Distribution: Upper Negro and Orinoco rivers, Venezuela. Habitat: freshwater.

flavipomus, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:717, Figs. 1f, 24 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Mamirauá Reserve [Reserva de Desenvolvimento Sustentável Mamirauá], municipality Alvarães, Ressaca do Caetono, rio Solimões-rio Japurá floodplain, Amazonas drainage, Amazonas, Brazil, 02°50'15"S, 64°55'50"W. Holotype: MCP 45366. Paratypes: BMNH 1998.3.12.25 (1), 1998.3.12.26 (1), 1998.3.12.27 (1), 1998.3.12.28-41(17), 1998.3.12.42 (1), 1998.3.12.43-44 (2); INPA; MCP. Plus additional non-type material. Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus flavipomus Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[23] [ref. 35236], DoNascimiento et al. 2017:66 [ref. 35633], Meza-Vargas et al. 2021:21 [ref. 39298]). Current status: Valid as Brachyhypopomus flavipomus Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.

gauderio, Brachyhypopomus Giora [J.] & Malabarba [L. R.] 2009:62, Figs. 1-3 [Zootaxa No. 2093; ref. 30168] Channel connecting Lagoa do Casamento and Lagoa dos Gateados (30°28'S, 50°40'W), Palmares do Sul, Rio Grande do Sul State, southern Brazil. Holotype: MP 43280. Paratypes: MCP, MNRJ, MZUSP, UFRGS, ?ZVC. Plus non-type material. Type catalog: Loureiro et al. 2016:414 [ref. 35150], Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus gauderio Giora & Malabarba 2009 -- (Almirón et al. 2010:572 [ref. 31124], Correa et al. 2011:19 [ref. 40074], Koerber 2011:6 [ref. 31122], Sullivan et al. 2013:3 [ref. 32879], Koerber 2014:11 [ref. 33621], Litz & Koerber 2014:28 [ref. 33622], Mirande & Koerber 2015:48 [ref. 35117], Bertaco et al. 2016:422 [ref. 34561], Crampton et al. 2016:54 [ref. 34832], Nión et al. 2016:34 [ref. 35565] as Brachypopomus, Crampton et al. 2017:721 [ref. 35114], Ferraris et al. 2017:[23] [ref. 35236], Koerber et al. 2017:69 [ref. 35267], Reis et al. 2020:463 [ref. 38364], Dutra et al. 2021:12 [ref. 38178], Brandão et al. 2022:199 [ref. 40464], Giora & Wingert 2023:33 [ref. 41026], Loureiro et al. 2023:82 [ref. 40506]). Current status: Valid as Brachyhypopomus gauderio Giora & Malabarba 2009. Hypopomidae. Distribution: South America: Paraguay River basin, Rio Grande do Sul State (southern Brazil and Uruguay, Bolivia, Paraguay and Argentina). Habitat: freshwater.

hamiltoni, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:728, Figs. 1g, 28 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Mamirauá Reserve (Reserva de Desenvolvimento Sustentável), municipality Alvarães, Ressaca da Vila Alencar, rio Solimões-Japurá floodplain, Amazonas drainage, Amazonas, Brazil, 03°07'41"S, 64°48'04"W. Holotype: MCP 45482. Paratypes: MCP, MPEG. Plus non-type material. Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus hamiltoni Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[23] [ref. 35236], Meza-Vargas et al. 2021:21 [ref. 39298]). Current status: Valid as Brachyhypopomus hamiltoni Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: Amazon River basin (Brazil, Ecuador and Peru). Habitat: freshwater.

hendersoni, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:731, Figs. 1h, 30 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Lago Amanã, Igarapé Juá Grande, rio Japurá, municipality Maraã, Amazonas drainage, Amazonas, Brazil, 02°28'50"S, 64°48'50"W. Holotype: MCP 45305. Paratypes: BMNH 1998.3.12.22-24 (3), 1998.3.12.175 (1), 1998.3.12.176-177 (2); INPA; MCP; MPEG; MZUSP. Plus additional non-type material. Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus hendersoni Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[23] [ref. 35236], Dutra et al. 2021:12 [ref. 38178], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Brachyhypopomus hendersoni Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: central Amazon and Essequibo River basins (Brazil and Guyana). Habitat: freshwater.

janeiroensis, Hypopomus Costa [W. J. E. M.] & Campos-da-Paz [R.] 1992:118, Figs. 2-3 [Revue française d'Aquariologie Herpétologie v. 18 (no. 4) [for 1991]; ref. 19726] Corrego Salto-d'agua, tributary of Rio São Joao, 6 kilometers north of Silva Jardim, 22°39'S, 42°23'W, Rio de Janeiro, Brazil. Holotype: MZUSP 43130. Paratypes: MNRJ 529 (3), 598 (4), 599 (2), 12127 (1); MZUSP 43131 (7). Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus janeiroensis (Costa & Campos-da-Paz 1992) -- (Mago-Leccia 1994:48 [ref. 21320], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Triques & Khamis 2003:63 [ref. 27465], Giora et al. 2008:160 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Di Dario et al. 2013:262 [ref. 37503], Sullivan et al. 2013:3 [ref. 32879], Catelani et al. 2014:931 [ref. 37496], Crampton et al. 2016:55 [ref. 34832], Crampton et al. 2017:735 [ref. 35114], Ferraris et al. 2017:[23] [ref. 35236], Dutra et al. 2021:12 [ref. 38178]). Current status: Valid as Brachyhypopomus janeiroensis (Costa & Campos-da-Paz 1992). Hypopomidae. Distribution: South America: São João and Paraíba do Sul River basins (Brazil). Habitat: freshwater, brackish.

jureiae, Brachyhypopomus Triques [M. L.] & Khamis [D. K.] 2003:62, Fig. 1 [Lundiana v. 4 (no. 1); ref. 27465] Rio do Descalvado, tributary of Rio Una do Prelado, Juréia Ecological Station, São Paulo, Brazil. Holotype: DZUFMG 010. Paratypes: DZUFMG 011 (2); MZUSP 67491 (1), 70004 (1). Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus jureiae Triques & Khamis 2003 -- (Giora et al. 2008:160 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Sullivan et al. 2013:3 [ref. 32879], Crampton et al. 2016:55 [ref. 34832], Crampton et al. 2017:738 [ref. 35114], Ferraris et al. 2017:[23] [ref. 35236]). Current status: Valid as Brachyhypopomus jureiae Triques & Khamis 2003. Hypopomidae. Distribution: Ribeira de Iguape and Una do Prelado river drainages, Brazil. Habitat: freshwater.

litaniensis, Parupygus Hoedeman [J. J.] 1962:98, Figs. 2, 3b [Bulletin of Aquatic Biology v. 3 (no. 30); ref. 12585] Litany River, Aloiké village, French Guiana. Holotype: ZMA 100248. Paratypes: ZMA 100407 (1). Type catalog: Nijssen et al. 1982:25 [ref. 19236], Ferraris et al. 2017:[25] [ref. 35236]. •Synonym of Hypopomus artedi (Kaup 1857) -- (Mago-Leccia 1994:47 [ref. 21320], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Ferraris et al. 2017:[25] [ref. 35236]). Current status: Synonym of Hypopomus artedi (Kaup 1857). Hypopomidae. Habitat: freshwater.

longicaudatus, Microsternarchus Sousa [T.], Wosiacki [W. B.], Muriel-Cunha [J.], Prudente [B. S.], Sousa [R. S.] & Peixoto [L. A. W.] 2024:509, Figs. 1-6 [Zootaxa 5448 (no. 4); ref. 41134] Igarapé da Ponte, tributary of Rio Amazonas, Juruti, Pará, Brazil, 02°10'48.0"S, 56°04'37.2"W. Holotype: MPEG 14690. Paratypes: MPEG, MZUSP. •Valid as Microsternarchus longicaudatus Sousa, Wosiacki, Muriel-Cunha, Prudente, Sousa & Peixoto 2024 -- (Cox Fernandes et al. 2024:246 [ref. 41670]). Current status: Valid as Microsternarchus longicaudatus Sousa, Wosiacki, Muriel-Cunha, Prudente, Sousa & Peixoto 2024. Hypopomidae. Distribution: South America: lower Amazon basin, Pará State, Brazil. Habitat: freshwater.

menezesi, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:740, Fig. 34 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] 1 km São Marcelo, rio Sapão, affluent rio Preto, rio São Francisco drainage, Bahia, Brazil, 11°01'02"S, 45°31'50"W. Holotype: MZUSP 87147. Paratypes: MCZ, MZUSP. Plus non-type material. Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus menezesi Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[23] [ref. 35236], Silva et al. 2020:9 [ref. 37809]). Current status: Valid as Brachyhypopomus menezesi Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: middle and upper Rio São Francisco River drainage (Brazil). Habitat: freshwater.

mulleri, Rhamphichthys Kaup [J. J.] 1857:129, Fig. 4 [Catalogue of the apodal fish in the collection of the British Museum; ref. 2573] Cayenne, French Guiana. Syntypes: (2) MNHN 0000-3983 (1). Type catalog: Ferraris et al. 2017:[25] [ref. 35236]. •Valid as Hypopomus mulleri (Kaup 1857) -- (Ortega & Vari 1986:13 [ref. 9708] as muelleri, Hopkins 1991:155 [ref. 19506], Mago-Leccia 1994:47 [ref. 21320] as muelleri). •Synonym of Hypopomus artedi (Kaup 1857) -- (Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Ferraris et al. 2017:[25] [ref. 35236]). Current status: Synonym of Hypopomus artedi (Kaup 1857). Hypopomidae. Habitat: freshwater.

occidentalis, Hypopomus Regan [C. T.] 1914:32 [Annals and Magazine of Natural History (Series 8) v. 14 (no. 79); ref. 14172] Río Condoto, Pacific slope of Colombia. Syntypes: (6) BMNH 1914.5.18.94-98 and BMNH 2012.6.13.1 (1). Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Hypopomus occidentalis Regan 1914 -- (Bussing 1987:99 [ref. 22927], Hopkins 1991:155 [ref. 19506], Galvis et al. 1997:102 [ref. 23651], Bussing 1998:134 [ref. 24179]). •Valid as Brachyhypopomus occidentalis (Regan 1914) -- (Mago-Leccia 1994:48 [ref. 21320], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Triques & Khamis 2003:63 [ref. 27465], de Santana et al. 2004:2 [ref. 27412], Loureiro & Silva 2006:671 [ref. 28920], Giora et al. 2008:159 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Angulo et al. 2013:994 [ref. 33194], Sullivan et al. 2013:3 [ref. 32879], Barriga Salazar 2014:116 [ref. 35745], Jiménez-Prado et al. 2015:283 [ref. 34894], Crampton et al. 2016:56 [ref. 34832], Crampton et al. 2017:741 [ref. 35114], DoNascimiento et al. 2017:66 [ref. 35633], Ferraris et al. 2017:[23] [ref. 35236], Dutra et al. 2021:12 [ref. 38178]). Current status: Valid as Brachyhypopomus occidentalis (Regan 1914). Hypopomidae. Distribution: Ecuador, Colombia, Venezuela, Panama and Costa Rica. Habitat: freshwater.

palenque, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:749, Fig. 37 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Small forest stream, Parroquia Patricia Pilar, Centro Científico río Palenque, municipality Buena Fé, 45 km south of Santo Domingo, affluent of río Palenque, río Guayas drainage, Los Ríos, Ecuador, 00°35'01"S, 79°22'13"W. Holotype: UF 180270. Paratypes: FMNH. Plus non-type material. Type catalog: Ferraris et al. 2017:[23] [ref. 35236]. •Valid as Brachyhypopomus palenque Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[23] [ref. 35236]). Current status: Valid as Brachyhypopomus palenque Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: Pacific drainages, Ecuador. Habitat: freshwater.

penak, Akawaio Maldonado-Ocampo [J. A.], López-Fernández [H.], et al. 2014:27, Figs. 1-4 [Zoologica Scripta v. 43 (no. 1); ref. 32878] Zone 7, Kamarang, Mazaruni River, 5°56'10.1"N, 60°36'53.8"W, Guyana. Holotype: CSBD 1654. Paratypes: ANSP [ex ROM 89554], ROM. Type catalog: Ferraris et al. 2017:[21] [ref. 35236]. •Valid as Akawaio penak Maldonado-Ocampo, López-Fernández, Taphorn, Bernard, Crampton & Lovejoy 2014 -- (Reis et al. 2016:15 [ref. 34496], Ferraris et al. 2017:[21] [ref. 35236], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Akawaio penak Maldonado-Ocampo, López-Fernández, Taphorn, Bernard, Crampton & Lovejoy 2014. Hypopomidae. Distribution: South America: Mazaruni River (Guyana) endemic. Habitat: freshwater.

pinnicaudatus, Hypopomus Hopkins [C. D.], Comfort [N. C.], Bastian [J.] & Bass [A. H.] 1990:350, Fig. 1 [Brain Behavior and Evolution v. 35; ref. 35116] Coastal swamp called "Grand Pripris," 3.5 kilometers northwest of center of old Kourou, French Guiana. Lectotype: ANSP 163463. Paralectotypes: ANSP 163464-65 (1, 1), 164474 (1); FMNH 98817 (1); MBUCV-V-20221 (3); MNHN 1989-1209 (3); USNM 301966-67 (1, 1). Type catalog: Provenzano et al. 1998:11 [ref. 24196], Ferraris et al. 2017:[24] [ref. 35236]. Also (but later) described as new by Hopkins 1991:153 [ref. 19506]. Lectotype selected by Crampton et al. 2017:757 [ref. 35114]. •Valid as Hypopomus pinnicaudatus Hopkins, Comfort, Bastian & Bass 1990 -- (Costa & Campos-da-Paz 1992:118 [ref. 19726]). •Valid as Brachyhypopomus pinnicaudatus (Hopkins, Comfort, Bastian & Bass 1990) -- (Mago-Leccia 1994:48 [ref. 21320], Chang & Ortega 1995:3 [ref. 24302], Planquette et al. 1996:398 [ref. 22818], Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Triques & Khamis 2003:63 [ref. 27465], Lourerio & Silva 2006:671 [ref. 28920], Giora et al. 2008:159 [ref. 29707], Giora & Malabarba 2009:60 [ref. 30168], Sullivan & Hopkins 2009:183 [ref. 30151], Almirón et al. 2010:572 [ref. 31124], Sullivan et al. 2013:3 [ref. 32879], Barriga Salazar 2014:116 [ref. 35745], Sarmiento et al. 2014:188 [ref. 35004], Crampton et al. 2016:54 [ref. 34832], Melo et al. 2016:134 [ref. 34701], Nión et al. 2016:34 [ref. 35565] as Brachypopomus and author as Hopkins 1991, Crampton et al. 2017:753 [ref. 35114], see DoNascimiento et al. 2017:[14] [ref. 35679] with author as Hopkins 1991, Ferraris et al. 2017:[24] [ref. 35236], Careaga et al. 2020:77 [ref. 37774], Ochoa et al. 2020:64 [ref. 37781], Dutra et al. 2021:12 [ref. 38178], Meza-Vargas et al. 2021:21 [ref. 39298], Koerber et al. 2022:44 [ref. 39235]). Current status: Valid as Brachyhypopomus pinnicaudatus (Hopkins, Comfort, Bastian & Bass 1990). Hypopomidae. Distribution: South America: Bolivia, Brazil, Ecuador, Uruguay, Peru, and French Guiana. Habitat: freshwater.

pixuna, Procerusternarchus Cox Fernandes [C.], Nogueira [A.] & Alves-Gomes [J. A.] 2014:103, Fig. 2-11, 14 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 163; ref. 33285] Amazonas, Rio Negro, São Gabriel da Cachoeira, Igarapé, Ducubixi, 0°00’39.2’’S, 67°15'34.7"W, Brazil. Holotype: INPA 33743. Paratypes: ANSP, INPA. Plus non-type specimens. Type catalog: Ferraris et al. 2017:[25] [ref. 35236]. •Valid as Procerusternarchus pixuna Cox Fernandes, Nogueira & Alves-Gomes 2014 -- (Ferraris et al. 2017:[25] [ref. 35236]). Current status: Valid as Procerusternarchus pixuna Cox Fernandes, Nogueira & Alves-Gomes 2014. Hypopomidae. Distribution: Negro River basin, Brazil. Habitat: freshwater.

provenzanoi, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:760, Fig. 40 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Caño "CVG" (Corporacion Venezuelana Guyana), municipality San Fernando de Atabapo, 10.5 km on San Fernando de Atabapo-Santa Barbara road, affluent río Orinoco, Orinoco drainage, Amazonas, Venezuela, 03°58'59"N, 67°38'29"W. Holotype: MBUCV-V 35650. Paratypes: MBUCV-V, UF. Plus non-type material. Type catalog: Ferraris et al. 2017:[24] [ref. 35236]. •Valid as Brachyhypopomus provenzanoi Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[24] [ref. 35236]). Current status: Valid as Brachyhypopomus provenzanoi Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: Upper Orinoco and upper Rio Negro drainages, Venezuela. Habitat: freshwater.

regani, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:762, Figs. 1j, 41 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Mamirauá Reserve, cano do lago Rato, rio Solimões-Japurá floodplain, Amazonas drainage, Amazonas, Brazil, 03°02'41"S, 64°51'26"W. Holotype: MCP 47022. Paratypes: BMNH, INPA, MCP. Plus non-type material. Type catalog: Ferraris et al. 2017:[24] [ref. 35236]. •Valid as Brachyhypopomus regani Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[24] [ref. 35236], Dutra et al. 2021:12 [ref. 38178], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Brachyhypopomus regani Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: Amazon, Orinoco and Essequibo rivers (Brazil, Ecuador, Guyana, Peru, Suriname and Venezuela). Habitat: freshwater.

savannensis, Parupygus Hoedeman [J. J.] 1962:58, Fig. 5 [Bulletin of Aquatic Biology v. 3 (no. 26); ref. 13556] Sipaliwini, Paru savannah, Suriname. Holotype (unique): ZMA 102375. Type catalog: Nijssen et al. 1982:25 [ref. 19236], Ferraris et al. 2017:[25] [ref. 35236]. •Questionably a synonym of Hypopomus mulleri (Kaup 1857) -- (Mago-Leccia 1994:47 [ref. 21320] as muelleri). •Synonym of Hypopomus artedi (Kaup 1857) -- (Albert & Crampton in Reis et al. 2003:495 [ref. 27061], Ferraris et al. 2017:[25] [ref. 35236]). Current status: Synonym of Hypopomus artedi (Kaup 1857). Hypopomidae. Habitat: freshwater.

schonmanni, Microsternarchus Cox Fernandes [C.], Keeffe [R. M.] & Pinilla [C. E.] 2024:239, Figs. 2, 4-8 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 168 (no. 1); ref. 41670] Guaporé River, Municipality Costa Marques, Rondônia State, Brazil, 12°26'42"S, 64°13'38"W. Holotype: INPA ICT 61074. Paratypes: INPA. •Valid as Microsternarchus schonmanni Cox Fernandes, Keeffe & Pinilla 2024. Current status: Valid as Microsternarchus schonmanni Cox Fernandes, Keeffe & Pinilla 2024. Hypopomidae. Distribution: South America: upper Mamoré-Guaporé River basin, Brazil. Habitat: freshwater.

sullivani, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:767, Figs. 1k, 43 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Stream near Jenaro Herrera, affluent río Ucayali, municipality Requena, Amazonas drainage, Loreto, Peru, 04°54'39"S, 73°39'29"W. Holotype: MUSM 39624. Paratypes: MUSM, MZUSP, UF, USNM. Plus non-type material. Type catalog: Ferraris et al. 2017:[24] [ref. 35236]. •Valid as Brachyhypopomus sullivani Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[24] [ref. 35236], DoNascimiento et al. 2017:66 [ref. 35633], Ochoa et al. 2020:64 [ref. 37781], Dutra et al. 2021:12 [ref. 38178], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. 2022:39 [ref. 41297], Torgersen et al. 2023:779 [ref. 40692]). Current status: Valid as Brachyhypopomus sullivani Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: Amazon, Orinoco and Essequibo basins (Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru and Venezuela). Habitat: freshwater.

verdii, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:772, Fig. 45 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Stream near Jenaro Herrera-Colonia Angamos road, affluent río Ucayali, municipality Maynas, Jenaro Herrera, Amazonas drainage, Loreto, Peru, 04°53'54"S, 73°38'22"W. Holotype: MUSM 35307. Paratypes: MUSM, UF, USNM. Plus non-type material. Type catalog: Ferraris et al. 2017:[24] [ref. 35236]. •Valid as Brachyhypopomus verdii Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[24] [ref. 35236], Meza-Vargas et al. 2021:21 [ref. 39298]). Current status: Valid as Brachyhypopomus verdii Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: upper Amazon basin (Peru). Habitat: freshwater.

walteri, Brachyhypopomus (Odontohypopomus) Sullivan [J. P.], Zuanon [J.] & Cox Fernandes [C.] 2013:8, Figs. 1, 3-4, 8 (bottom 3) [ZooKeys No. 327; ref. 32879] Floating meadow alongside of lake in the Paraná do Paracuúba, near mouth of Rio Negro and entrance to Lago Janauari, approx. 15 km due south of Manaus, 03°12.6'S, 059°59.4'W, Amazonas, Brazil. Holotype: INPZ 8941. Paratypes: (20) ANSP, CUMV, INPA. Plus non-type specimens. Type catalog: Ferraris et al. 2017:[24] [ref. 35236]. •Valid as Brachyhypopomus walteri Sullivan, Zuanon & Cox Fernandes 2013 -- (Cox Fernandes et al. 2014:111 [ref. 33285] in subgenus Odontohypopomus, Crampton et al. 2016:54 [ref. 34832], Crampton et al. 2017:775 [ref. 35114], Ferraris et al. 2017:[24] [ref. 35236], Koerber et al. 2017:69 [ref. 35267], Ochoa et al. 2020:64 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Brachyhypopomus walteri Sullivan, Zuanon & Cox Fernandes 2013. Hypopomidae. Distribution: South America: Amazon River Basin (Bolivia, Brazil, Ecuador, Guyana, Paraguay and Peru). Habitat: freshwater.