Castoridae
Appearance
| Castoridae Temporal range: | |
|---|---|
| North American beaver, Castor canadensis | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Superfamily: | Castoroidea |
| Family: | Castoridae Hemprich, 1820 |
| Type genus | |
| Castor Linnaeus, 1758 | |
| Genera | |
|
See text | |

Castoridae is a family of rodents. Today, the only genus that has alive species in it is Castor. It contains modern-day beavers. In addition, about 20 extinct genera of beavers have been put into the family.
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