Eutypomyidae

Eutypomyidae
Temporal range: Early Eocene–Late Miocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Suborder: Castorimorpha
Family: Eutypomyidae
Miller & Gidley, 1918
Genera

Mattimys
Microeutypomys
Janimus
Eutypomys

Eutypomyidae is a family of extinct rodents from North America and Eurasia thought to be related to modern beavers.