Mammalia - Rodentia - Eomyidae

Full reference: E. H. Lindsay. 1974. PaleoBios 16

Belongs to Pseudotheridomys according to E. H. Lindsay 1974

Sister taxa: Pseudotheridomys hesperus, Pseudotheridomys pagei

Type specimen: Its type locality is Vedder (UCMP V-6761), which is in a Hemingfordian terrestrial horizon in the Branch Canyon Formation of California

Ecology: ground dwelling herbivore

Average measurements (in mm): P4 1.14 x 1.18, M1 0.990 x 1.190, M2 0.990 x 1.190, p4 1.22 x 0.95, m1 1.11 x 1.10, m2 1.04 x 0.98