rapax, Ptychocheilus Girard [C. F.] 1856:209 [45] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Lower Columbia River basin, Oregon, U.S.A. [not Monterey, California]. Holotype (unique): USNM 205. Type catalog: Gilbert 1998:139 [ref. 23395] with comments on locality. On p. 45 of separate. •Synonym of Ptychocheilus oregonensis (Richardson 1836) -- (Gilbert 1998:139 [ref. 23395]). Current status: Synonym of Ptychocheilus oregonensis (Richardson 1836). Leuciscidae: Laviniinae. Habitat: freshwater.