papariae, Plecostomus plecostomus Fowler [H. W.] 1941:145, Figs. 41-43 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 93; ref. 1437] Lago Papary, Rio Grande do Norte, Brazil. Holotype: ANSP 69398. Paratypes: ANSP 69399 (1), 69400-01 (2). Type catalog: Böhlke 1984:124 [ref. 13621], Ferraris 2007:258 [ref. 29155]. •Valid as Hypostomus papariae (Fowler 1941) -- (Isbrücker 1980:29 [ref. 2303], Burgess 1989:432 [ref. 12860], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:19 [ref. 27178], Weber in Reis et al. 2003:361 [ref. 27061], Armbruster 2004:79 [ref. 27644], Ferraris 2007:258 [ref. 29155], Zanata et al. 2013:247 [ref. 32751], Zawadzki et al. 2017:12 [ref. 35355], Ramos et al. 2017:8 [ref. 35396], Zawadzki et al. 2017:571 [ref. 35666], Oliveira et al. 2022:346 [ref. 39824]). Current status: Valid as Hypostomus papariae (Fowler 1941). Loricariidae: Hypostominae. Distribution: South America: Grande do Norte River basin, northeastern Brazil. Habitat: freshwater.