| Castoroidinae Temporal range: Early Oligocene to Late |
|
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Castoridae |
| Subfamily: |
†Castoroidinae Allen, 1877 |
Castoroidinae is a subfamily of beaver-grouped rodents that lived in North America, and many resembled modern beavers.