Sciurus arizonensis Coues, 1867 . Am. Nat., 1:357.

TYPE LOCALITY: "Fort Whipple," [Yavapai Co., Arizona, USA].

DISTRIBUTION: C and SE Arizona and WC New Mexico (USA); NE Sonora (Mexico).

SYNONYMS: catalinae Doutt, 1931; huachuca J. Allen, 1894.

COMMENTS: Subgenus Sciurus (Hall, 1981:432) .