brunneus, Aspidoras Nijssen [H.] & Isbrücker [I. J. H.] 1976:116, Fig. 7 [Bijdragen tot de Dierkunde v. 46 (no. 1); ref. 7077] Serra do Roncador, kilometer 125 of the road Chavantina-Casximba, Mato Grosso State, Brazil. Holotype: ZMA 113588. Paratypes: USNM 213569 (1), ZMA 109380 (4). Type catalog: Nijssen et al. 1982:38 [ref. 19236], Ferraris & Vari 1992:12 [ref. 19771], Ferraris 2007:109 [ref. 29155]. •Valid as Aspidoras brunneus Nijssen & Isbrücker 1976 -- (Burgess 1989:364 [ref. 12860], Britto 2000:1048 [ref. 25022], Isbrücker 2001:216 [ref. 26805], Reis in Reis et al. 2003:292 [ref. 27061], Ferraris 2007:109 [ref. 29155], Leão et al. 2015:578 [ref. 33891], Tencatt et al. 2022:49 [ref. 39729], Dias et al. 2024:24 [ref. 41219]). Current status: Valid as Aspidoras brunneus Nijssen & Isbrücker 1976. Callichthyidae: Corydoradinae. Distribution: South America: rivers in Serra do Roncador, Mato Grosso, Brazil. Habitat: freshwater.