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

Species in the genus Brachychalcinus: [ 9 ] records

copei, Stethaprion Steindachner [F.] 1882:180 [Anzeiger der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftlichen Klasse v. 19 (no. 19); ref. 20487] Tabatinga, Amazon River, Brazil. Syntypes: NMW (3, apparently lost). Species later described in more detail in Steindachner 1882:40 [ref. 14353]. •Valid as Brachychalcinus copei (Steindachner 1882) -- (Ortega & Vari 1986:7 [ref. 9708], Reis 1989:65 [ref. 14219], Reis in Reis et al. 2003:209 [ref. 27061], Barriga Salazar 2014:109 [ref. 35745], Sarmiento et al. 2014:184 [ref. 35004], DoNascimiento et al. 2017:46 [ref. 35633], Garcia-Ayala et al. 2017:570 [ref. 35695], Meza-Vargas et al. 2021:17 [ref. 39298], Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus copei (Steindachner 1882). Characidae: Stethaprioninae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Ecuador, Colombia and Peru). Habitat: freshwater.

guianensis, Brachychalcinus Boeseman [M.] 1952:303 [Zoologische Mededeelingen (Leiden) v. 31 (no. 26); ref. 12683] Itabu Creek, New River drainage, Guyana. Lectotype: FMNH 51535. Paralectotypes: FMNH 59525 (8, now 5); RMNH 18473 (1), 23430 [ex FMNH 59525] (2). Type catalog: Ibarra & Stewart 1987:17 [ref. 12367]. Lectotype selected by Böhlke 1958:81 [ref. 12050]. •Valid as Brachychalcinus guianensis Boeseman 1952 -- (Ortega & Vari 1986:7 [ref. 9708]). •Synonym of Brachychalcinus orbicularis (Valenciennes 1850) -- (Reis 1989:60 [ref. 14219], Chang & Ortega 1995:7 [ref. 24302], Reis in Reis et al. 2003:209 [ref. 27061]). Current status: Synonym of Brachychalcinus orbicularis (Valenciennes 1850). Characidae: Stethaprioninae. Habitat: freshwater.

nummus, Brachychalcinus Böhlke [J. E.] 1958:74, Pl. 4 (fig. 5) [Proceedings of the Academy of Natural Sciences of Philadelphia v. 110; ref. 12050] Lower Río Bobonaza, Province Napo-Pastaza, Chicherota, 2°23'S, 76°30'W, Ecuador, elevation 270 meters. Holotype: USNM 164019. Paratypes: ANSP 75936-38 (2, 1, 1); Géry coll. [ex ANSP 75939] (1); USNM 164044 (2), 164058-59 (2, 1), 164069 (2), 175141 (1). Type catalog: Böhlke 1984:51 [ref. 13621], Vari & Howe 1991:8-9 [ref. 19022]. •Valid as Brachychalcinus nummus Böhlke 1958 -- (Ovchynnyk 1967:27 [ref. 37559] as Brachychalcium nummus, Ortega & Vari 1986:7 [ref. 9708], Reis 1989:73 [ref. 14219], Reis in Reis et al. 2003:209 [ref. 27061], Barriga Salazar 2014:109 [ref. 35745], Sarmiento et al. 2014:184 [ref. 35004], DoNascimiento et al. 2017:46 [ref. 35633], Garcia-Ayala et al. 2017:570 [ref. 35695], Meza-Vargas et al. 2021:17 [ref. 39298], Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus nummus Böhlke 1958. Characidae: Stethaprioninae. Distribution: South America: upper Amazon River basin (Colombia, Ecuador, Bolivia and Peru). Habitat: freshwater.

orbicularis, Tetragonopterus Valenciennes [A.] in Cuvier & Valenciennes 1850:138 [Histoire naturelle des poissons v. 22; ref. 1014] Essequibo River, Guyana. Lectotype: MNHN 0000-6343. Paralectotypes: MNHN 0000-4400 (1), 1987-1871 (1). Type catalog: Bertin 1948:23 [ref. 19577]. Lectotype selected by Reis 1989:62 [ref. 14219]. •Valid as Poptella orbicularis (Valenciennes 1850) -- (Ortega & Vari 1986:9 [ref. 9708], Taphorn 1992:302 [ref. 23654], Chang & Ortega 1995:7 [ref. 24302]). •Valid as Ephippicharax orbicularis (Valenciennes 1850) -- (Gómez & Chebez 1996:49 [ref. 23791]). •Valid as Brachychalcinus orbicularis (Valenciennes 1850) -- (Reis 1989:60 [ref. 14219], Reis in Reis et al. 2003:209 [ref. 27061], DoNascimiento et al. 2017:46 [ref. 35633], Garcia-Ayala et al. 2017:570 [ref. 35695], Meza-Vargas et al. 2021:17 [ref. 39298], Borstein et al. 2022:16 [ref. 39507], Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus orbicularis (Valenciennes 1850). Characidae: Stethaprioninae. Distribution: South America: Amazon and Orinoco river basins (Colombia, Brazil, Guyana, Peru and Suriname). Habitat: freshwater.

parnaibae, Brachychalcinus Reis [R. E.] 1989:77, Fig. 38 [Comunicações do Museu de Ciências da PUCRS, Série Zoologia v. 2 (no. 6); ref. 14219] Lagoas, Serra das Confusões, Caracol, Rio Parnaíba system, Piauí, Brazil. Holotype: MZUSP 36594. Paratypes: MZUSP 36595 (2). Type catalog: Oyakawa 1996:453 [ref. 23140]. •Valid as Brachychalcinus parnaibae Reis 1989 -- (Reis in Reis et al. 2003:209 [ref. 27061], Ramos et al. 2014:4 [ref. 35321], Melo et al. 2016:375 [ref. 35317], Garcia-Ayala et al. 2017:571 [ref. 35695], Koerber et al. 2022:32 [ref. 39235], Vieira et al. 2023:17 [ref. 40759], Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus parnaibae Reis 1989. Characidae: Stethaprioninae. Distribution: South America: Parnaíba River and Tocantins River basins (Brazil). Habitat: freshwater.

reisi, Brachychalcinus Garcia-Ayala [J. R.], Ohara [W. M.], Pastana [M. N. L.] & Benine [R. C.] 2017:565, Figs. 1-4 [Zootaxa 4362 (no. 4); ref. 35695] Rio Curuá, 25 km upstream from PCH Salto do Curuá, a tributary of rio Xingu basin, Altamira, Pará, Brazil, 8°55'46"S, 54°57'38"W. Holotype: MZUSP 121267. Paratypes: INPA, LBP, MCP, MZUSP, ZUEC. Plus non-type material. •Valid as Brachychalcinus reisi Garcia-Ayala, Ohara, Pastana & Benine 2017 -- (Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus reisi Garcia-Ayala, Ohara, Pastana & Benine 2017. Characidae: Stethaprioninae. Distribution: South America: upper Rio Curuá, Rio Xingu basin, Pará, Brazil. Habitat: freshwater.

retrospina, Brachychalcinus Boulenger [G. A.] 1892:12, Pl. 2 (fig. 2) [Annals and Magazine of Natural History (Series 6) v. 10 (no. 55) (art. 2); ref. 533] Santa Cruz, Mato Grosso, Brazil. Lectotype: BMNH 1892.4.20.36. Paralectotypes: BMNH 1892.4.20.37-38 (2) [according to Reis 1989 these belong to Poptella paraguayensis]. Lectotype selected by Eigenmann & Myers 1929:508 [ref. 1263]. •Valid as Brachychalcinus retrospina Boulenger 1892 -- (Reis 1989:70 [ref. 14219], Britski et al. 1999:56 [ref. 24147], Reis in Reis et al. 2003:209 [ref. 27061], Koerber et al. 2017:32 [ref. 35267], Garcia-Ayala et al. 2017:571 [ref. 35695], Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus retrospina Boulenger 1892. Characidae: Stethaprioninae. Distribution: South America: Paraguay River basin, Brazil and Paraguay. Habitat: freshwater.

sabaji, Brachychalcinus Garcia-Ayala [J. R.], Lima [F. C. T.], Gama [C. S.] & Benine [R. C.] 2024:3, Figs. 1-2, 4H, 5A, 6 [Neotropical Ichthyology v. 22 (no. 1): e230070; ref. 40855] Laranjal do Jari, rio Mapaoni, rio Jari basin, Parque Nacional Montanhas do Tumucumaque (PNMT), Amapá, Brazil, 02°11'36"N, 54°35'15"W. Holotype: IEPA 6879. Paratypes: ANSP, IEPA, LBP, MZUSP, ZUEC. Plus additional non-type material. •Valid as Brachychalcinus sabaji Garcia-Ayala, Lima, Gama & Benine 2024. Current status: Valid as Brachychalcinus sabaji Garcia-Ayala, Lima, Gama & Benine 2024. Characidae: Stethaprioninae. Distribution: South America: Jari and Araguari River drainages, Amazon River delta, Amapá and Pará States, Brazil and French Guiana; possibly Tapajós River drainage. Habitat: freshwater.

signatus, Brachychalcinus Garcia-Ayala [J. R.] & Benine [R. C.] 2020:3, Fig. 1 [Journal of Fish Biology v. 96 (no. 4); ref. 37401] Igarapé Caxipacoré, above Cachoeira Porteira, rio Trombetas, Oriximiná, Pará, Brazil, 0°33'32"S, 56°45'04"W. Holotype: INPA 59409. Paratypes: INPA. •Valid as Brachychalcinus signatus Garcia-Ayala & Benine 2020 -- (Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus signatus Garcia-Ayala & Benine 2020. Characidae: Stethaprioninae. Distribution: South America: Trombetas River drainage above Cachoeira Porteira, Amazon basin, Pará, Brazil. Habitat: freshwater.