speciosus, Semotilus Girard [C. F.] 1856:204 [40] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Sweetwater River, a tributary of Platte or Nebraska rivers, Natrona or Fremont cos., Wyoming, U.S.A. Syntypes: MCZ 35966 [ex USNM 176] (1), UMMZ 56289 [ex USNM 176] (1), USNM 176 (orig. 15, now 11, plus 2 pharyngeal arches as #2740). Type catalog: Gilbert 1998:149 [ref. 23395]. On p. 40 of separate. •Synonym of Semotilus atromaculatus (Mitchill 1818) -- (Baxter & Stone 1995:113 [ref. 23374], Gilbert 1998:149 [ref. 23395]). Current status: Synonym of Semotilus atromaculatus (Mitchill 1818). Leuciscidae: Plagopterinae. Habitat: freshwater.