ammonites
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Paromomys maturus Gidley 1923 (placental)

Mammalia - Primates - Paromomyidae

PaleoDB taxon number: 50016

Belongs to Paromomys according to G. G. Simpson 1937

Sister taxa: Paromomys alticuspis, Paromomys depressidens, Paromomys farrandi

Type specimen: U.S.N.M. no. 9473, a mandible (right lower jaw with P4-M3 and anterior alveoli). Its type locality is Gidley Quarry, which is in a Torrejonian terrestrial horizon in the Fort Union Formation of Montana.

Ecology: scansorial insectivore

Average measurements (in mm): m1 3.00 x 2.23