nudiventris, Plecostomus Fowler [H. W.] 1941:147, Figs. 44-46 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 93; ref. 1437] Rio Choró, Ceará, near Fortaleza, Brazil. Holotype: ANSP 69402. Type catalog: Böhlke 1984:123 [ref. 13621], Ferraris 2007:257 [ref. 29155]. •Valid as Hypostomus nudiventris (Fowler 1941) -- (Isbrücker 1980:29 [ref. 2303], Burgess 1989:432 [ref. 12860], Zanata et al. 2013:248 [ref. 32751], Zawadzki et al. 2017:12 [ref. 35355], Ramos et al. 2017:8 [ref. 35396], Zawadzki et al. 2017:571 [ref. 35666]). •Synonym of Hypostomus pusarum (Starks 1913) -- (Lustosa-Costa et al. 2024:7 [ref. 41308]). Current status: Synonym of Hypostomus pusarum (Starks 1913). Loricariidae: Hypostominae. Habitat: freshwater.