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Petauristodon mathewsi James 1963 (squirrel)

Osteichthyes - Rodentia - Sciuridae

PaleoDB taxon number: 50277

Alternative combination: Sciuropterus mathewsi

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 Petauristodon according to B. Engesser 1979

Sister taxa: Petauristodon jamesi, Petauristodon minimus, Petauristodon pattersoni, Petauristodon uphami, Sciuropterus gaudryi, Sciuropterus volans, Sciuropterus russicus, Sciuropterus jourdani

Ecology: scansorial granivore-frugivore

Average measurements (in mm): P4 2.50 x 2.50, M1 2.30 x 2.80, M2 2.43 x 3.00, p4 2.60 x 2.30, m1 2.40 x 2.54, m2 2.50 x 2.70