evansi, Hybognathus Girard [C. F.] 1856:182 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Missouri River, at Fort Pierre, Stanley County, South Dakota, U.S.A. Syntypes: USNM 88 (orig. 3, now 0, 2 pharyngeal arches as #2689). Type catalog: Gilbert 1998:78 [ref. 23395]. •Synonym of Hybognathus placitus Girard 1856 -- (Gilbert 1998:78 [ref. 23395], Scheuer et al. 2003:7 [ref. 26691]). Current status: Synonym of Hybognathus placitus Girard 1856. Leuciscidae: Pogonichthyinae. Habitat: freshwater.