guianensis, Corydoras Nijssen [H.] 1970:21, Fig. 9 [Beaufortia v. 18 (no. 230); ref. 7452] Creek at right of Nickerie River, 12 kilometers west-south-west of Stondansie Fall, Nickerie District, Suriname. Holotype: ZMA 105933. Paratypes: CAS 14504 [ex ZMA 105.837] (2); BMNH 1970.6.16.4-5 (2); IRSNB 468 (31); NMW 61107 [=75465] (7); RMNH 18499 (1), 25822 (2); USNM 204218 (2); ZMA 105836 (4), 105837 (130, now 90), 105887-88 (1, 4), 106101 (1). Type catalog: Nijssen et al. 1982:45 [ref. 19236] with some discrepancies in number of specimens from Nijssen & Isbrücker 1980:212 [ref. 6910], Walschaerts 1987:18 [ref. 20755], Ferraris & Vari 1992:14 [ref. 19771], Ferraris 2007:118 [ref. 29155]. •Valid as Corydoras guianensis Nijssen 1970 -- (Nijssen & Isbrücker 1980:212 [ref. 6910], Burgess 1989:366 [ref. 12860], Le Bail et al. 2000:198 [ref. 24549], Isbrücker 2001:227 [ref. 26805], Reis in Reis et al. 2003:298 [ref. 27061], Ferraris 2007:118 [ref. 29155]). •Valid as Hoplisoma guianense (Nijssen 1970) -- (Dias et al. 2024:26 [ref. 41219] as guianensis). Current status: Valid as Hoplisoma guianense (Nijssen 1970). Callichthyidae: Corydoradinae. Distribution: South America: coastal rivers of French Guiana and Suriname. Habitat: freshwater.