nacrea, Gila Cope [E. D.] 1871:441 [Preliminary report of the United States Geological Survey of Wyoming and portions of contiguous territories. Part 4 (art. 8); ref. 19655] Fork of Green River near Fort Bridger, Wyoming, U.S.A. No types known. Type catalog: Böhlke 1984:84 [ref. 13621], Gilbert 1998:117 [ref. 23395]. •Synonym of Gila robusta, subspecies robusta Baird & Girard 1853 -- (Gilbert 1998:117 [ref. 23395]). •Synonym of Gila robusta Baird & Girard 1853 -- (Minckley & Marsh 2009:142 [ref. 31114], Copus et al. 2018:12 [ref. 36179]). Current status: Synonym of Gila robusta Baird & Girard 1853. Leuciscidae: Laviniinae. Habitat: freshwater.