Reithrodontomys raviventris Dixon, 1908 . Proc. Biol. Soc. Wash., 21: 197.

TYPE LOCALITY: U.S.A., California, San Mateo Co., Redwood City .

DISTRIBUTION: Vicinity of San Francisco Bay (California, U.S.A.).

COMMENT: Subgenus Reithrodontomys; see Carleton, 1980:15. Subspecies raviventris and halicoetes thought to be in terminal stages of speciation; see Fisler, 1965, Univ. Calif. Publ. Zool., 77:1 -108, and Shellhammer, 1965, J. Mammal., 48:549-556.

PROTECTED STATUS: U.S. ESA - Endangered.

ISIS NUMBER: 5301410008047014001.