robustus, Corydoras Nijssen [H.] & Isbrücker [I. J. H.] 1980:499, Fig. 3 [Netherlands Journal of Zoology v. 30 (no. 3); ref. 8680] Creek into River Ipixuna, Rio Purus system, 7°31'S, 63°16'W, 30 kilometers west of Humaitá, Amazonas, Brazil. Holotype: ZMA 115179. Type catalog: Nijssen et al. 1982:49-50 [ref. 19236], Ferraris 2007:124 [ref. 29155]. •Valid as Corydoras robustus Nijssen & Isbrücker 1980 -- (Nijssen & Isbrücker 1980:202 [ref. 6910], Burgess 1989:367 [ref. 12860], Isbrücker 2001:234 [ref. 26805], Reis in Reis et al. 2003:302 [ref. 27061], Ferraris 2007:124 [ref. 29155]). Current status: Valid as Corydoras robustus Nijssen & Isbrücker 1980. Callichthyidae: Corydoradinae. Distribution: Purus River basin in middle Amazon drainage, Brazil. Habitat: freshwater.