microps, Catostomus Rutter [C. L.] 1908:120, Fig. 1 [Bulletin of the Bureau of Fisheries v. 27 (Doc. 637) (for 1907); ref. 12415] Rush Creek, tributary of Ash Creek, near Aden, Modoc County, California, U.S.A. Holotype: USNM 58496. Paratypes: (2) AMNH 46073 (scales only); CAS-SU 9277 (1). Type catalog: Böhlke 1953:27 [ref. 12291], Gilbert 1998:192 [ref. 23395]. •Valid as Catostomus microps Rutter 1908 -- (Lee et al. 1980:384 [ref. 22416], Page & Burr 1991:175 [ref. 18983], Gilbert 1998:192 [ref. 23395], Moyle 2002:189 [ref. 26449], Nelson et al. 2004:78 [ref. 27807], Scharpf 2006:7 [ref. 30386], Page & Burr 2011:316 [ref. 31215], Page et al. 2013:79 [ref. 32708], Bangs et al. 2018:4 [ref. 37913], Page et al. 2023:64 [ref. 40505]). Current status: Valid as Catostomus microps Rutter 1908. Catostomidae: Catostominae. Distribution: North America: Oregon and California (western U.S.A.). Habitat: freshwater.