atranalis, Pterohemiodus Fowler [H. W.] 1940:258, Fig. 57 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 91 (for 1939); ref. 1432] Contamana, Ucayali River basin, Peru. Holotype: ANSP 68671. Paratypes: ANSP 68672 (1), 68673 (1, c&s). Type catalog: Böhlke 1984:112 [ref. 13621]. •Valid as Pterohemiodus atranalis Fowler 1940 -- (Ortega & Vari 1986:10 [ref. 9708] as atrianalis). •Valid as Hemiodus atranalis (Fowler 1940) -- (Langeani 1999:721 [ref. 23914], Langeani in Reis et al. 2003:98 [ref. 27061], Langeani & Moreira 2013:1262 [ref. 32535], DoNascimiento et al. 2017:38 [ref. 35633], Nogueira et al. 2020:[5] [ref. 38050], Silva et al. 2020:178 [ref. 37389], Silvano et al. 2020:137 [ref. 38133], Meza-Vargas et al. 2021:14 [ref. 39298]). Current status: Valid as Hemiodus atranalis (Fowler 1940). Hemiodontidae. Distribution: South America: Brazil, Colombia, Guyana and Peru. Habitat: freshwater.