surinamensis, Hypostomus Boeseman [M.] 1968:61, 78 [addendum], Pls. 13 (figs. 1-4), 14 (1-2) [Zoologische Verhandelingen (Leiden) No. 99; ref. 7872] Suriname River near Brokopondo, Suriname. Holotype: RMNH 25497 (larger). Paratypes: RMNH 25490-94 (16, 1, 1, 1, 1), 25495-96 (2, 2), 25497 (1, with holotype), 25498-99 (1, 1), 25500-04 (3, 2, 11, 6, 1), 25522 (1); ZMA 105270 (25), 105440 (2), 105534 (11), 105538 (5), 105685 (3), 105739 (37), 105757 (3), 106013 (1), 106149 (43), 106151-52 (1, 3). Additional material: RMNH 17340 (1). Type catalog: Nijssen et al. 1982:56 [ref. 19236], Ferraris 2007:260 [ref. 29155]. •Synonym of Hypostomus gymnorhynchus (Norman 1926) -- (Weber et al. 2012:218 [ref. 31999]). •Valid as Hypostomus surinamensis Boeseman 1968 -- (Isbrücker 1980:35 [ref. 2303], Burgess 1989:432 [ref. 12860], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:19 [ref. 27178], Armbruster 2004:80 [ref. 27644], Ferraris 2007:260 [ref. 29155], Zawadzki et al. 2015:57 [ref. 33866]). Current status: Valid as Hypostomus surinamensis Boeseman 1968. Loricariidae: Hypostominae. Distribution: South America: Suriname River basin (Suriname). Habitat: freshwater.