Ammospermophilus insularis Nelson and Goldman, 1909 . Proc. Biol. Soc. Wash., 22:24.

TYPE LOCALITY: Mexico, Baja California Sur, Isla Espiritu Santo .

DISTRIBUTION: Known only from the type locality.

COMMENT: Considered a distinct species by Hall, 1981:381. Specific validity unclear, due to conflicting chromosomal, allozymic, morphological and zoogeographic data (DJH).

ISIS NUMBER: 5301410002001002001.