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Ammospermophilus fossilis James 1963 (antelope squirrel)

Mammalia - Glires - Sciuridae

PaleoDB taxon number: 43979

Full reference: G. T. James. 1963. Paleontology and nonmarine stratigraphy of the Cuyama Valley badlands, California; Part 1, Geology, faunal interpretations, and systematic descriptions of Chiroptera, Insectivora, and Rodentia. University of California Publications in Geological Sciences 45:1-154

Belongs to Ammospermophilus according to G. T. James 1963

Sister taxa: Ammospermophilus hanfordi, Ammospermophilus interpres, Ammospermophilus jeffriesi, Ammospermophilus junturensis, Ammospermophilus leucurus

Type specimen: UCMP V-54535, a partial skeleton

Ecology: scansorial insectivore

Average measurements (in mm): M1 1.55 x 1.95, M2 1.60 x 2.05, M3 1.80 x 1.90, m1 1.60 x 1.80, m2 1.70 x 1.80, m3 1.95 x 1.90