bernardini, Catostomus Girard [C. F.] 1856:175 [11] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Rio de San Bernardino, in headwaters of the Río Huagui, about 29 kilometers east of Douglas, Arizona, in Sonora, Mexico. Holotype: USNM 174. Type catalog: Gilbert 1998:173 [ref. 23395]. On p. 11 of separate. •Valid as Catostomus bernardini Girard 1856 -- (Lee et al. 1980:371 [ref. 22416], Page & Burr 1991:171 [ref. 18983], Espinosa Pérez et al. 1993:21 [ref. 22290], Gilbert 1998:173 [ref. 23395], Nelson et al. 2004:78 [ref. 27807], Miller 2006:144 [ref. 28615], Scharpf 2006:5 [ref. 30386], Minckley & Marsh 2009:190 [ref. 31114], Page & Burr 2011:311 [ref. 31215], Page et al. 2013:78 [ref. 32708], Ruiz-Campos et al. 2016:387 [ref. 37871], Page et al. 2023:63 [ref. 40505]). Current status: Valid as Catostomus bernardini Girard 1856. Catostomidae: Catostominae. Distribution: Southern North America: southwestern U.S.A. (Arizona) and northwestern Mexico. Habitat: freshwater.