Microtheriomys

Microtheriomys is an extinct genus of anchitheriomyine castorid that lived during the Arikareean.

Microtheriomys Temporal range: Late Oligocene PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Castoridae
Subfamily:	†Agnotocastorinae
Tribe:	†Anchitheriomyini
Genus:	†Microtheriomys
Species:	†M. brevirhinus
Binomial name
†Microtheriomys brevirhinus Korth & Samuels, 2015

Distribution

Microtheriomys brevirhinus is known from the John Day Formation of Oregon.^[1]