Back قندس عملاق Arabic قندس عملاق ARZ Castoroides Catalan Castoroides Czech Riesenbiber German Castoroides Spanish بیدستر بزرگ Persian Castoroides French בונה ענק HE Castoroides Hungarian
| Giant beavers Temporal range: Pleistocene,
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| Castoroides ohioensis specimen at the Field Museum | |
Scientific classification 
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| 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 | |
Castoroides (Latin: "beaver" (castor), "like" (oides)[2]), or the 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.
- ^ a b Kurtén, B. and E. Anderson (1980). Pleistocene Mammals of North America. Columbia University Press. pp. 236–237. ISBN 978-0-231-03733-4.
- ^ "Glossary. American Museum of Natural History". Archived from the original on 20 November 2021.