oregonensis, Cyprinus (Leuciscus) Richardson [J.] (ex Gairdner) 1836:305 [Fauna Boreali-Americana Part 3; ref. 3731] Columbia River, (probably Fort Vancouver), southern Washington, U.S.A. Holotype (unique): BMNH 1855.9.19.804. Type catalog: Gilbert 1998:126 [ref. 23395]. •Valid as Ptychocheilus oregonensis (Richardson 1836) -- (Lee et al. 1980:349 [ref. 22416], McAllister 1990:64 [ref. 14674], Mayden et al. 1991:819, 833 [ref. 19123], Page & Burr 1991:69 [ref. 18983], La Rivers 1994:376 [ref. 23389], Gilbert 1998:126 [ref. 23395], Scott & Crossman 1998:487 [ref. 24570], Fuller et al. 1999:141 [ref. 25838], Wydoski & Whitney 2003:132 [ref. 27816], Nelson et al. 2004:77 [ref. 27807], Scharpf 2005:37 [ref. 28940], McPhail 2007:120 [ref. 31199], Page & Burr 2011:161 [ref. 31215], Page et al. 2013:77 [ref. 32708], Page et al. 2023:75 [ref. 40505]). Current status: Valid as Ptychocheilus oregonensis (Richardson 1836). Leuciscidae: Laviniinae. Distribution: Western North America: northwestern U.S.A. and western Canada. Habitat: freshwater.