longiceps, Siboma atraria var. Cope [E. D.] in Cope & Yarrow 1875:668, Pl. 29 (fig. 4) [Engineer Department, United States Army, Report upon the Geographical and Geological Explorations and Surveys west of the one hundredth Meridian v. 5 (Zoology) Chapter 6; ref. 968] Snake Creek Valley, near Utah line, near Sevier Basin, Lake Bonneville drainage, Nevada, U.S.A. Syntypes: USNM 15767 (4), 15770 (1). Non-types: MCZ 18609 [ex USNM 12910] (4), 36000 [ex USNM 12910] (2); USNM 12910 (orig. 15, now 9), 15759 (1), 15782 (4). Type catalog: Gilbert 1998:105 [ref. 23395]. •Synonym of Gila atraria (Girard 1856) -- (Gilbert 1998:105 [ref. 23395]). Current status: Synonym of Gila atraria (Girard 1856). Leuciscidae: Laviniinae. Habitat: freshwater.