filamentosus, Corydoras Nijssen [H.] & Isbrücker [I. J. H.] 1983:77, Figs. 6, 10d [Revue française d'Aquariologie Herpétologie v. 10 (no. 3); ref. 8294] Tributary of Sisa Creek, flowing northwards, Río Corantijn basin, 3°42'N, 57°42'W, Nickerie District, Suriname, depth 0-1 meter. Holotype (unique): USNM 225536. Type catalog: Ferraris & Vari 1992:13 [ref. 19771], Ferraris 2007:117 [ref. 29155]. •Valid as Corydoras filamentosus Nijssen & Isbrücker 1983 -- (Burgess 1989:366 [ref. 12860], Isbrücker 1999:41 [ref. 24040], Isbrücker 2001:225 [ref. 26805], Reis in Reis et al. 2003:297 [ref. 27061], Ferraris 2007:117 [ref. 29155], Tencatt & Ohara 2016:432 [ref. 34627], Dias et al. 2024:23 [ref. 41219]). Current status: Valid as Corydoras filamentosus Nijssen & Isbrücker 1983. Callichthyidae: Corydoradinae. Distribution: South America: Corantijn River basin, Suriname. Habitat: freshwater.