subcarinatus, Hypostomus Castelnau [F. L.] 1855:42, Pl. 21 (fig. 1) [Animaux nouveaux or rares v. 2; ref. 766] Minas Gerais State, Brazil [possibly the Rio das Velhas]. Holotype (unique): MNHN A-9575. Type catalog: Bertin & Estève 1950:71 [ref. 19575], Ferraris 2007:260 [ref. 29155]. •Valid as Hypostomus subcarinatus Castelnau 1855 -- (Isbrücker 1980:35 [ref. 2303], Burgess 1989:432 [ref. 12860], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:19 [ref. 27178], Weber in Reis et al. 2003:363 [ref. 27061], Armbruster 2004:80 [ref. 27644], Ferraris 2007:260 [ref. 29155], Zanata et al. 2013:248 [ref. 32751], Zanata & Pitanga 2016:231 [ref. 34535], Zawadzki et al. 2016:273 [ref. 34908], Zawadzki et al. 2019:2 [ref. 36576], Penido et al. 2023:110 [ref. 40572]). Current status: Valid as Hypostomus subcarinatus Castelnau 1855. Loricariidae: Hypostominae. Distribution: South America: Rio das Velhas drainage and Pampulha Lake, Rio São Francisco basin, Minas Gerais, Brazil. Habitat: freshwater.