Thomomys microdon Sinclair 1905 (pocket gopher)

Mammalia - Rodentia - Geomyidae

Full reference: W. J. Sinclair. 1905. New Mammalia from the Quaternary caves of California. University of California Publication Bulletin of the Department of Geology 4(7):145-161

Belongs to Thomomys according to B. Kurten and E. Anderson 1980

See also Alroy 2002

Sister taxa: Thomomys bottae, Thomomys carsonensis, Thomomys gidleyi, Thomomys monticola, Thomomys orientalis, Thomomys potomacensis, Thomomys talpoides, Thomomys townsendii, Thomomys umbrinus

Type specimen: UCMP 5738, a partial skull. Its type locality is Potter Creek Cave, which is in a Pleistocene cave horizon in California.

Ecology: fossorial browser

Distribution: found only at Potter Creek Cave

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