atropersonatus, Corydoras Weitzman [S. H.] & Nijssen [H.] 1970:123, Figs. 2, 6b [Beaufortia v. 18 (no. 233); ref. 7481] Río Conambo at mouth of River Shione, Río Tigre system, about 2°00'S, 76°30'W, Pastaza State, Ecuador. Holotype: USNM 204359. Paratypes: BMNH 1970.4.17.1-2 (2); EPN 4429-4436 (3); USNM 204360 (5); ZMA 110382 (2), 110385-86 (3, 1). Type catalog: Nijssen et al. 1982:42 [ref. 19236], Ferraris & Vari 1992:13 [ref. 19771], Ferraris 2007:113 [ref. 29155]. •Valid as Corydoras atropersonatus Weitzman & Nijssen 1970 -- (Nijssen & Isbrücker 1980:201 [ref. 6910], Burgess 1989:365 [ref. 12860], Grant 1998:43 [ref. 23454], Isbrücker 2001:221 [ref. 26805], Reis in Reis et al. 2003:295 [ref. 27061], Britto & Lima 2003:89 [ref. 27314], Ferraris 2007:113 [ref. 29155], Barriga Salazar 2014:111 [ref. 35745], Lima & Britto 2020:528 [ref. 37324], Meza-Vargas et al. 2021:25 [ref. 39298]). •Valid as Hoplisoma atropersonatum (Weitzman & Nijssen 1970) -- (Dias et al. 2024:26 [ref. 41219]). Current status: Valid as Hoplisoma atropersonatum (Weitzman & Nijssen 1970). Callichthyidae: Corydoradinae. Distribution: South America: upper Amazon River basin (Ecuador and Peru). Habitat: freshwater.