multispinis, Xenocara Regan [C. T.] 1912:668, Pl. 76 (fig. 1) [Proceedings of the Zoological Society of London 1912 (pt 3) (art. 36); ref. 14862] Rio Humboldt, Rio Itapocú, Santa Catherina, southeastern Brazil. Lectotype: BMNH 1910.7.26.32. Paralectotypes: BMNH 1910.7.26.31 (1), 1910.7.26.33 (1). Type catalog: Ferraris 2007:223 [ref. 29155]. Lectotype selected by Muller 1989:894 [ref. 13512]. •Valid as Ancistrus multispinis (Regan 1912) -- (Isbrücker 1980:71 [ref. 2303], Muller 1989:894 [ref. 13512], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2001:25, 32 [ref. 25653], Isbrücker 2002:12 [ref. 27178], Fisch-Muller in Reis et al. 2003:377 [ref. 27061], Ferraris 2007:223 [ref. 29155], Bifi et al. 2009:56 [ref. 30541], de Oliveira et al. 2015:81 [ref. 33869], Bertaco et al. 2016:417 [ref. 34561], Reis et al. 2020:466 [ref. 38364], Vieira-Guimarães et al. 2024:47 [ref. 41258], Widholzer et al. 2024:21 [ref. 40848]). Current status: Valid as Ancistrus multispinis (Regan 1912). Loricariidae: Hypostominae. Distribution: South America: Atlantic coastal drainages of eastern Brazil from Macacú River to Maquiné River (Brazil). Habitat: freshwater.