ucayalensis, Pithecocharax Fowler [H. W.] 1906:320, Fig. 16 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 58; ref. 1373] Río Ucayali or Peruvian Amazon, Peru. Holotype (unique): ANSP 21997. Type catalog: Böhlke 1984:19 [ref. 13621]. •Valid as Pithecocharax ucayalensis Fowler 1906 -- (Chuctaya et al. 2022:16 [ref. 42137]). •Species inquirenda, and possible synonym of a Leporinus species -- (Garavello & Britski in Reis et al. 2003:80 [ref. 27061]). Current status: Uncertain. Anostomidae: Leporininae. Habitat: freshwater.