humeralis, Hydrocyon Valenciennes [A.] 1834:Pl. 11 (fig. 2) [Voyage dans l'Amérique méridionale; ref. 20720] Buenos Aires, Argentina [market at Buenos Aires, probably from the río de La Plata basin]. Holotype (unique): MNHN A-9848. Type catalog: Bertin 1948:24 [ref. 19577]. Name available from plate, description in Valenciennes 1847:9 [ref. 5010]. Pl. 11 was published in 1834. •Valid as Galeocharax humeralis (Valenciennes 1834) -- (Menezes 1976:30 [ref. 7073], Taphorn 1992:185 [ref. 23654], Braga 1994:7 [ref. 27878], Gómez & Chebez 1996:48 [ref. 23791], Sverlij et al. 1998:15 [ref. 27632] dated 1837, Britski et al. 1999:52 [ref. 24147], Lucena & Menezes in Reis et al. 2003:203 [ref. 27061], López et al. 2003:18 [ref. 27366], Menni 2004:74 [ref. 28131], Menezes 2007:21 [ref. 29171], Mirande 2010:495 [ref. 31006], Litz & Koerber 2014:11 [ref. 33622], Sarmiento et al. 2014:184 [ref. 35004], Mirande & Koerber 2015:18 [ref. 35117], Bertaco et al. 2016:413 [ref. 34561], Nión et al. 2016:28 [ref. 35565] dated 1837, Giovannetti et al. 2017:[25] [ref. 35215], Koerber et al. 2017:28 [ref. 35267], Reis et al. 2020:458 [ref. 38364], Loureiro et al. 2023:56 [ref. 40506]). Current status: Valid as Galeocharax humeralis (Valenciennes 1834). Characidae: Characinae. Distribution: South America: Rio Paraguai, Rio Uruguai and lower rio Paraná basins (Argentina, Brazil, Paraguay and Uruguay). Habitat: freshwater.