discobolus, Catostomus Cope [E. D.] 1871:435 [Preliminary report of the United States Geological Survey of Wyoming and portions of contiguous territories. Part 4 (art. 8); ref. 19655] Green River, Wyoming, U.S.A. Syntypes: (2) lost. Type catalog: Böhlke 1984:35 [ref. 13621], Gilbert 1998:180 [ref. 23395]. •Valid as Catostomus discobolus Cope 1871 [also often as a subspecies] -- (Smith 1966:82 [ref. 21398], Lee et al. 1980:377 [ref. 22416], Crabtree & Buth 1987:843 [ref. 6770], Page & Burr 1991:177 [ref. 18983], Baxter & Stone 1995:132 [ref. 23374], Sigler & Sigler 1996:133 [ref. 25943], Gilbert 1998:180 [ref. 23395], Broughton 2000:651 [ref. 24593], Nelson et al. 2004:78 [ref. 27807], Scharpf 2006:6 [ref. 30386] with subspecies, Minckley & Marsh 2009:203 [ref. 31114], Page & Burr 2011:320 [ref. 31215] with 2 subspecies, Page et al. 2013:79 [ref. 32708], Smith et al. 2013:3, 14 [ref. 32735], Bangs et al. 2018:4 [ref. 37913]). •Valid as Pantosteus discobolus (Cope 1871) -- (Unmack et al. 2014:9 [ref. 36004], Bagley et al. 2018:25 [ref. 36001], Page et al. 2023:65 [ref. 40505]). Current status: Valid as Pantosteus discobolus (Cope 1871). Catostomidae: Catostominae. Distribution: North America: upper Colorado River basin (western U.S.A.). Habitat: freshwater.