gracilis, Gila Baird [S. F.] & Girard [C. F.] 1853:369 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 6; ref. 166] "Zuni River, New Mexico" [possibly Little Colorado River, at Grand Falls, Coconino County, Arizona, U.S.A.]. Syntypes: MCZ 35926 [ex USNM 245] (1), USNM 245 (orig. 9, now 8, plus 1 pharyngeal arch as #2797). Type catalog: Gilbert 1998:86 [ref. 23395]. •Synonym of Gila robusta Baird & Girard 1853, subspecies robusta -- (Gilbert 1998:86 [ref. 23395]). •Synonym of Gila robusta Baird & Girard 1853 -- (Minckley & Marsh 2009:142 [ref. 31114], Copus et al. 2018:11 [ref. 36179]). Current status: Synonym of Gila robusta Baird & Girard 1853. Leuciscidae: Laviniinae. Habitat: freshwater.