taeniatus, Plecostomus Regan [C. T.] 1908:358 [Annals and Magazine of Natural History (Series 8) v. 2 (no. 10); ref. 14352] Río La Plata, Argentina. Syntypes: BMNH 1908.8.29.17 [ex ZMB] (1), ZMB 16817 (1). Type catalog: Ferraris 2007:255 [ref. 29155]. •Valid as Hypostomus taeniatus (Regan 1908) -- (Isbrücker 1980:35 [ref. 2303], Burgess 1989:432 [ref. 12860], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:19 [ref. 27178]). •Synonym of Hypostomus laplatae (Eigenmann 1907) -- (López & Miquelarena 1991:29 [ref. 23548], Weber in Reis et al. 2003:359 [ref. 27061], Armbruster 2004:80 [ref. 27644], Ferraris 2007:255 [ref. 29155], Litz & Koerber 2014:25 [ref. 33622], Mirande & Koerber 2015:42 [ref. 35117], Cardoso et al. 2019:[17] [ref. 36685], Zawadzki et al. 2019:[11] [ref. 37170]). Current status: Synonym of Hypostomus laplatae (Eigenmann 1907). Loricariidae: Hypostominae. Habitat: freshwater.