Tamiasciurus mearnsi (Townsend, 1897) . Proc. Biol. Soc. Wash., 11: 146.
TYPE LOCALITY: Mexico, Baja California Norte, San Pedro Martir Mountains .
DISTRIBUTION: Sierra San Pedro Martir Mountains (Baja California Norte, Mexico).
COMMENT: Formerly included in douglasii; see Lindsay, 1981, J. Mammal., 62:673-682.