amapaensis, Corydoras Nijssen [H.] 1972:417, Figs. 2, 3; Pl. 3 [Netherlands Journal of Zoology v. 21 (no. 4); ref. 673] Cachoera Creek at right bank of Rio Amapari, 4 kilometers downstream of Casa do 7, Amapa, Brazil. Holotype: IRSNB 476. Paratypes: IRSNB 477-484 (now 2, now 1, now 3, 1, 1, now 2, now 2, now 4); MZUSP (12 spec. from 6 IRSNB lots); USNM 205865 (1); ZMA 110598-603 (2, 1, 4, 3, 1, 3). Type catalog: Nijssen et al. 1982:42 [ref. 19236], Walschaerts 1987:17 [ref. 20755], Ferraris & Vari 1992:13 [ref. 19771], Ferraris 2007:113 [ref. 29155]. •Valid as Corydoras amapaensis Nijssen 1972 -- (Nijssen & Isbrücker 1980:218 [ref. 6910], Burgess 1989:365 [ref. 12860], Le Bail et al. 2000:186 [ref. 24549], Isbrücker 2001:220 [ref. 26805], Reis in Reis et al. 2003:294 [ref. 27061], Ferraris 2007:113 [ref. 29155], Tencatt & Ohara 2016:432 [ref. 34627], Dias et al. 2024:23 [ref. 41219]). Current status: Valid as Corydoras amapaensis Nijssen 1972. Callichthyidae: Corydoradinae. Distribution: South America: Oyapock and Amapari Rivers drainages, Amapá State, Brazil and French Guiana. Habitat: freshwater.