Simimyidae
| Simimyidae Temporal range: Middle to Late Eocene | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | Rodentia | 
| Superfamily: | Dipodoidea | 
| Family: | †Simimyidae A. E. Wood, 1980 | 
| Genera | |
| †Simimys | |
Simimyidae is a family of extinct rodents from North America.