castanea, Loricaria Castelnau [F. L.] 1855:46, Pl. 23 (fig. 4) [Animaux nouveaux or rares v. 2; ref. 766] Neighborhood of Rio de Janeiro, Brazil. Holotype (unique): MNHN A-9561. Type catalog: Bertin & Estève 1950:74 [ref. 19575], Ferraris 2007:270 [ref. 29155]. •Valid as Loricariichthys castaneus (Castelnau 1855) -- (Isbrücker 1980:126 [ref. 2303], Isbrücker 1981:87 [ref. 5522], Burgess 1989:445 [ref. 12860], Reis & Pereira 2000:1035 [ref. 25021], Isbrücker 2001:29, 30 [ref. 25653], Isbrücker 2002:23 [ref. 27178], Ferraris in Reis et al. 2003:338 [ref. 27061], Ferraris 2007:270 [ref. 29155], Reis et al. 2021:565 [ref. 38433]). Current status: Valid as Loricariichthys castaneus (Castelnau 1855). Loricariidae: Loricariinae. Distribution: Coastal streams in southeastern Brazil between southern São Paulo and northern Espírito Santo, including the Paraíba do Sul River basin (Rio de Janeiro, São Paulo, Minas Gerais and Espírito Santo States), Brazil. Habitat: freshwater.