Tamiasciurus mearnsi (Townsend, 1897) . Proc. Biol. Soc. Washington, 11:146.
TYPE LOCALITY: "San Pedro Martir Mountains, Lower California (altitude about 7,000 feet)" [Baja California Norte, Mexico] .
DISTRIBUTION: Sierra San Pedro Martir Mtns (Baja California Norte, Mexico).
COMMENTS: Formerly included in douglasii; see Lindsay (1981).