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Alphadon sahnii Lillegraven and McKenna 1986 (marsupial)

Mammalia - Didelphimorphia - Alphadontidae

PaleoDB taxon number: 43927

Full reference: J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68

Belongs to Alphadon according to J. A. Lillegraven and M. C. McKenna 1986

Sister taxa: Alphadon attaragos, Alphadon eatoni, Alphadon halleyi, Alphadon marshi, Alphadon perexiguus, Alphadon wilsoni

Type specimen: UCMP 125337, a tooth (isolated right M1)

Ecology: scansorial omnivore

Average measurements (in mm): M1 2.37 x 2.48, M2 2.23 x 2.54, M3 2.01 x 2.72, m1 2.22 x 1.13, m2 2.25 x 1.38, m3 2.43 x 1.49

Estimated body mass: 78.6 g based on M1 length, M1 width, M2 length, M2 width, M3 length, M3 width, m1 length, m1 width, m2 length, m2 width, m3 length, and m3 width