| Pocket mice Temporal range: | |
|---|---|
| Silky pocket mouse (Perognathus flavus) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Heteromyidae |
| Subfamily: | Perognathinae Coues, 1875 |
| Genera | |
Perognathinae is a subfamiliy of rodents. It contains the silky pocket mouse and the pocket mouse
Perognathinae is the sister group of Heteromyinae. These groups split about 22–23 million years (Ma) ago. Their most recent common ancestor is thought to have lived 20–21 Ma ago.