1889. Lagomys schisticeps Merriam, N. Amer. Fauna, 2:11, October 30, type from Donner, Placer County, California.
1936. Ochotona princeps schisticeps, A. H. Miller, Jour. Mamm., 17:174, May 18.
1897. Ochotona schisticeps Merriam, Mazama, 1:223, October.
Marginal records.—Nevada (Hall, 1946:590): 12 mi. E and 3 mi. N Ft. Bidwell, 5700 ft.; 8400-8600 ft., Duffer Peak, Pine Forest Mts. California (A. H. Howell, 1924:39): Tahoe; Donner Pass; 12 mi. NE Prattville; Lassen Peak; Mt. Shasta.
Ochotona princeps septentrionalis Cowan and Racey.
1947. Ochotona princeps septentrionalis Cowan and Racey, Canadian Field-Nat., 60:102, March 17, type from 6500 ft., Itcha Mountains, 52° 45´ N lat., 125° W long., British Columbia. Known from type locality only.
Ochotona princeps sheltoni Grinnell.
1918. Ochotona schisticeps sheltoni Grinnell, Univ. California Publ. Zool., 17:429, April 25, type from 11,000 ft., "near" Big Prospector Meadow, White Mountains, Mono County, California.
1946. Ochotona princeps sheltoni, Hall, Mammals of Nevada, p. 593, July 1.
Marginal records.—Nevada: 8700 ft., Pinchot Creek (Hall, 1946:593). California: type locality.