dubius, Corydoras Nijssen [H.] & Isbrücker [I. J. H.] 1967:38, Pl. 4 (fig. 2) [Zoologische Mededeelingen (Leiden) v. 42 (no. 5); ref. 7981] Surroundings of Paramaribo, Suriname [probably Peru or French Guiana] (aquarium specimens). Holotype: ZMA 104632. Paratypes: ZMA 110633 (15). Type catalog: Nijssen et al. 1982:44 [ref. 19236], Ferraris 2007:126 [ref. 29155]. •Uncertain in genus Corydoras -- (Grant 2022:13 [ref. 39178]). •Synonym of Corydoras trilineatus Cope 1872 -- (Nijssen & Isbrücker 1980:194 [ref. 6910], Isbrücker 2001:237 [ref. 26805], Reis in Reis et al. 2003:304 [ref. 27061], Ferraris 2007:126 [ref. 29155]). Current status: Synonym of Corydoras trilineatus Cope 1872. Callichthyidae: Corydoradinae. Habitat: freshwater.