longipinnis, Hemiancistrus Kindle [E. M.] 1895:255 [Annals of the New York Academy of Sciences v. 8 (art. 9) [for 1894]; ref. 12354] Troceira on Rio Tocantins, Brazil. Holotype (unique): MCZ 29051. Type catalog: Ferraris 2007:227 [ref. 29155]. Name appeared earlier as a nomen nudum in Kindle 1893:72 [ref. 27364]. •Valid as Parancistrus longipinnis (Kindle 1895) -- (Isbrücker 1980:58 [ref. 2303], Burgess 1989:435 [ref. 12860]). •Valid as Baryancistrus longipinnis (Kindle 1895) -- (Isbrücker 2001:26, 27 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Ferraris 2007:227 [ref. 29155], Lujan et al. 2009:53 [ref. 30056], Rapp Py-Daniel et al. 2011:241[ref. 31383], Armbruster et al. 2015:99 [ref. 33670], de Oliveira et al. 2019:491 [ref. 36981]). Current status: Valid as Baryancistrus longipinnis (Kindle 1895). Loricariidae: Hypostominae. Distribution: Tocantins River basin, Brazil. Habitat: freshwater.