Mammalia - Rodentia - Eomyidae

Full reference: J. J. Chiment and W. W. Korth. 1996. Journal of Vertebrate Paleontology 16(1)

Belongs to Metanoiamys according to J. J. Chiment and W. W. Korth 1996

Sister taxa: Metanoiamys agorus, Metanoiamys fantasma, Metanoiamys fugitivus, Metanoiamys korthi, Metanoiamys lacus

Type specimen: Its type locality is Camp San Onofre, which is in an Uintan/Duchesnean terrestrial horizon in the Santiago Formation of California

Ecology: ground dwelling herbivore

Average measurements (in mm): P4 0.930 x 1.010, M1 1.02 x 1.06, M2 1.01 x 1.11, p4 0.930 x 0.840, m1 1.05 x 0.99, m2 1.05 x 1.01