parnahybae, Pimelodella Fowler [H. W.] 1941:129, Figs. 8-11 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 93; ref. 1437] Rio Parnahyba, Therezina, Piauhy, Brazil. Holotype (unique): ANSP 69377. Type catalog: Böhlke 1984:142 [ref. 13621], Ferraris 2007:194 [ref. 29155] •Valid as Pimelodella parnahybae Fowler 1941 -- (Burgess 1989:281 [ref. 12860], Bockmann & Guazzelli in Reis et al. 2003:420 [ref. 27061], Ferraris 2007:194 [ref. 29155], Reis et al. 2016:17 [ref. 34496], Melo et al. 2016:376 [ref. 35317], Slobodian et al. 2017:97 [ref. 35643], Koerber et al. 2022:59 [ref. 39235], Vieira et al. 2023:21 [ref. 40759]). Current status: Valid as Pimelodella parnahybae Fowler 1941. Heptapteridae: Rhamdiinae. Distribution: South America: Parnaíba River basin (northeastern Brazil). Habitat: freshwater.