hastatus, Corydoras Eigenmann [C. H.] & Eigenmann [R. S.] 1888:166 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] Villa Bella (= Parintins, 2°38'S, 56°45'W), Amazonas, Brazil. Lectotype: MCZ 7747. Paralectotypes: MCZ 95271 [ex 7747B] (1). Type catalog: Ferraris 2007:118 [ref. 29155]. Lectotype selected by Nijssen & Isbrücker 1980:213 [ref. 6910]. •Valid as Corydoras hastatus Eigenmann & Eigenmann 1888 -- (Nijssen & Isbrücker 1980:213 [ref. 6910], Burgess 1989:366 [ref. 12860], Gómez & Chebez 1996:62 [ref. 23791], Britski et al. 1999:126 [ref. 24147], Lasso et al. 2001:98 [ref. 25928], Isbrücker 2001:227 [ref. 26805], Britto et al. 2002:733 [ref. 26546], López et al. 2003:42 [ref. 27366], Reis in Reis et al. 2003:298 [ref. 27061], Menni 2004:82 [ref. 28131], Ferraris 2007:118 [ref. 29155], Calviño & Alonso 2010:199 [ref. 30829], Tencatt et al. 2014:78 [ref. 33230], Litz & Koerber 2014:23 [ref. 33622], Sarmiento et al. 2014:190 [ref. 35004], Mirande & Koerber 2015:40 [ref. 35117], Tencatt & Pavanelli 2015:294 [ref. 35434], Tencatt & Ohara 2016:[13] [ref. 34353], Tencatt & Evers 2016:[11] [ref. 34387], Tencatt et al. 2016:[17] [ref. 34388], Ottoni et al. 2016:133 [ref. 34756], Bertaco et al. 2016:416 [ref. 34561], Ohara et al. 2016:550 [ref. 34772], Reis et al. 2016:14 [ref. 34496], Nión et al. 2016:31 [ref. 35565], Koerber et al. 2017:58 [ref. 35267], Grant 2018:26 [ref. 36057], Grant 2019:7 [ref. 37238], Loureiro et al. 2023:94 [ref. 40506]). •Valid as Gastrodermus hastatus (Eigenmann & Eigenmann 1888) -- (Dias et al. 2024:24 [ref. 41219], Koerber 2024:4 [ref. 41228]). Current status: Valid as Gastrodermus hastatus (Eigenmann & Eigenmann 1888). Callichthyidae: Corydoradinae. Distribution: South America: Amazon and Paraguay River basins (Argentina, Bolivia, Brazil, Paraguay and Uruguay). Habitat: freshwater.