bolivianus, Plecostomus Pearson [N. E.] 1924:21, Pl. 4 (figs. 1-3) [Indiana University Studies v. 11 (no. 64); ref. 3396] Río Popoi, Upper Río Beni, upper Amazon system, Bolivia. Holotype: CAS 77347 [ex IU 17011]. Paratypes: CAS 213883 [ex CAS 77347, ex IU 17011] (orig. 16, now 9), UMMZ 66475 [ex IU 17011] (6). Additional material or paratypes: IU 17012 (orig. 15), UMMZ 66310 [ex IU 17012] (6), USNM 117586 [ex UMMZ 66310, ex IU 17012] (1). Type catalog: Ferraris & Vari 1992:31 [ref. 19771], Ferraris 2007:252 [ref. 29155]. •Valid as Hypostomus bolivianus (Pearson 1924) -- (Isbrücker 1980:20 [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 2007:252 [ref. 29155], Sarmiento et al. 2014:191 [ref. 35004], Zawadzki et al. 2015:56 [ref. 33866]). Current status: Valid as Hypostomus bolivianus (Pearson 1924). Loricariidae: Hypostominae. Distribution: Beni River basin, Bolivia. Habitat: freshwater.