robusta, 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, U.S.A. [possibly Little Colorado River, below Grand Falls, Coconino County, Arizona, U.S.A.]. Syntypes: USNM 246 [= 47983] (3, plus 1 pharyngeal arch as #2798). Type catalog: Gilbert 1998:141 [ref. 23395]. •Valid as Gila robusta Baird & Girard 1853 -- (Lee et al. 1980:172 [ref. 22416], Page & Burr 1991:72 [ref. 18983], Espinosa Pérez et al. 1993:16 [ref. 22290], Swift et al. 1993:117 [ref. 22379], La Rivers 1994:388 [ref. 23389], McElroy & Douglas 1995:636 [ref. 22405], Baxter & Stone 1995:72 [ref. 23374], Sigler & Sigler 1996:86 [ref. 25943], Tyus 1998:190 [ref. 24138], Gilbert 1998:141 [ref. 23395], Fuller et al. 1999:77 [ref. 25838], Minckley & DeMarais 2000:251 [ref. 24298], Douglas et al. 2001:389 [ref. 25233], Norris et al. 2003:24 [ref. 26757], Nelson et al. 2004:71 [ref. 27807], Scharpf 2005:19 [ref. 28940] with subspecies, Miller 2006:126 [ref. 28615], Minckley & Marsh 2009:140 [ref. 31114], Page & Burr 2011:165 [ref. 31215], Page & Burr 2011:168 [ref. 31215], Page et al. 2013:71 [ref. 32708], Moran et al. 2017:1 [ref. 35521], Page et al. 2017:459 [ref. 35584], Carter et al. 2018:289 [ref. 35930], Copus et al. 2018:11 [ref. 36179], Page et al. 2023:70 [ref. 40505], Suchocki et al. 2023:1 [ref. 40513]). Current status: Valid as Gila robusta Baird & Girard 1853. Leuciscidae: Laviniinae. Distribution: Nprth America: Colorado River basin: Arizona, New Mexico, Colorado, Wyoming, Utah and Nevada (western U.S.A.) and northern Mexico. Habitat: freshwater.