angipinnatus, Plecostomus Leege [C. O.] 1922:152, Pls. 9 (figs. 1-3), 10 (figs 2-3) [Jenaische Zeitschrift für Naturwissenschaft v. 58; ref. 15350] Mato Grosso State, Brazil. Holotype (unique): Lost. Type catalog: Ferraris 2007:251 [ref. 29155]. Original not seen. •Valid as Hypostomus angipinnatus (Leege 1922) -- (Isbrücker 1980:19 [ref. 2303], Burgess 1989:430 [ref. 12860], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Weber in Reis et al. 2003:356 [ref. 27061], Armbruster 2004:79 [ref. 27644], Ferraris 2007:251 [ref. 29155], Zawadzki et al. 2010:719 [ref. 31074]). Current status: Valid as Hypostomus angipinnatus (Leege 1922). Loricariidae: Hypostominae. Distribution: La Plata River drainage, Brazil. Habitat: freshwater.