Castoroides
Castoroides (Latin: "beaver" (castor), "like" (oides)), or giant beaver, is an extinct genus of enormous, bear-sized beavers that lived in North America during the Pleistocene. Two species are currently recognized, C. dilophidus in the Southeastern United States and C. ohioensis in most of North America. C. leiseyorum was previously described from the Irvingtonian age but is now regarded as an invalid name. All specimens previously described as C. leiseyorum are considered to belong to C. dilophidus.
| Giant beavers Temporal range: Pleistocene, | |
|---|---|
| Castoroides ohioensis specimen at the Field Museum | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Castoridae |
| Subfamily: | †Castoroidinae |
| Tribe: | †Castoroidini |
| Genus: | †Castoroides Foster, 1838 |
| Type species | |
| †Castoroides ohioensis | |
| Species | |
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| Synonyms | |
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