pleuriticus, Salmo Cope [E. D.] 1872:471 [U. S. Geological Survey Territitories Annual Report v. 5 (pt 4); ref. 923] Green and Platte rivers, Yellowstone River, Montana, U.S.A. Syntypes: (several) ?ANSP 16472 (1). Type catalog: Böhlke 1984:150 [ref. 13621], doubtfully referred ANSP 16472 as syntype. •Synonym of Salmo clarkii (Richardson 1836), but a valid subspecies -- (La Rivers 1994:299 [ref. 23389]). •Synonym of Oncorhynchus clarkii (Richardson 1836), but a valid subspecies pleuriticus (Cope 1872) -- (Baxter & Stone 1995:172 [ref. 23374] as clarki, Behnke 1992:139 [ref. 23385] as clarki, Sigler & Sigler 1996:169 [ref. 25943] as clarki, Fuller et al. 1999:244 [ref. 25838] as clarki, Hepworth et al. 2001:129 [ref. 25225], Moyle 2002:288 [ref. 26449], Scharpf 2006:26 [ref. 30386], Minckley & Marsh 2009:86 [ref. 31114] as clarki, Page & Burr 2011:407 [ref. 31215], Penaluna et al. 2016:291 [ref. 34726]). •Synonym of Oncorhynchus virginalis (Girard 1856). Current status: Synonym of Oncorhynchus virginalis (Girard 1856). Salmonidae: Salmoninae. Distribution: Upper Colorado River system: Wyoming, Colorado and Utah [formerly also New Mexico and Arizona] (U.S.A.) [subspecies pleuriticus]. Habitat: freshwater.