brevitentaculatus, Hypostomus Ranzani [C.] 1841:63 [Nuovi annali delle scienze naturali e rendiconto dei lavori dell'Accademia della Scienze dell'Instituto di Bologna con appendice agraria. Bologna Anno III, Tomo V; ref. 24074] Province Divi Pauli, Brazilia [Rio São Francisco]. Holotype (unique): MZUB uncat. Type catalog: Ferraris 2007:291 [ref. 29155]. Also appeared in more detail in Ranzani 1842:329 [ref. 18607]. •Valid as Pterygoplichthys brevitentaculatus (Ranzani 1841) -- (Isbrücker 1980:40 [ref. 2303], Burgess 1989:433 [ref. 12860]). •Synonym of Pterygoplichthys etentaculatus (Spix & Agassiz 1829) -- (Weber 1992:25 [ref. 19714], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Weber in Reis et al. 2003:366 [ref. 27061], Ferraris 2007:291 [ref. 29155]). Current status: Synonym of Pterygoplichthys etentaculatus (Spix & Agassiz 1829). Loricariidae: Hypostominae. Habitat: freshwater.