Sciurus aureogaster F. Cuvier, 1829 . In E. Geoffroy and F. Cuvier, Hist. Nat. Mammifères, pt. 3, 6(59):1 -2 "Ecureuil de la Californie ".

TYPE LOCALITY: "California" Restricted by Nelson (18996:38) to Alta Mira, Tamaulipas, Mexico .

DISTRIBUTION: SW and C Guatemala to Guanajuato to Nayarit and Nuevo Leon (Mexico).

SYNONYMS: affinis Alston, 1878; albipes Wagner, 1837; cervicalis J. Allen, 1890; chiapensis Nelson, 1899; chrysogaster Giebel, 1855; cocos Nelson, 1898; colintensis Nelson, 1898; effugius Nelson, 1898; ferruginiventris Audubon and Bachman, 1841; frumentor Nelson, 1898; griseoflavus Gray, 1867; hernandezi Nelson, 1898; hirtus Nelson, 1898; hypopyrrhus Wagler, 1831; hypoxanthus I. Geoffroy, 1855; leucogaster F. Cuvier, 1831; leucops Gray, 1867; littoralis Nelson, 1907; tnaurus Gray, 1867; morio Gray, 1867; mustelinus Audubon and Bachman, 1841; nelsoni Merriam, 1893; nemoralis Nelson, 1898; nigrescens Bennett, 1833; perigrinator Nelson, 1904; poliopus Fitzinger, 1867; quercinus Nelson, 1898; raviventer Lichtenstein, 1830; rufipes Fitzinger, 1867; rufiventris Rovirosa, 1887; senex Nelson, 1904; socialis Wagner, 1837; tepicanus J. Allen, 1906; varius Wagner, 1843; wagneri J. Allen, 1898.

COMMENTS: Subgenus Sciurus (Hall, 1981:418) . Revised by Musser (1968), who also designated a lectotype and confirmed the type locality restriction (Musser, 1970c). Includes griseoflavus, nelsoni, poliopus, and socialis (Musser, 1968) . Introduced to Elliot Key, Dade County, Florida (USA) (Brown and McGuire, 1975).