List of extinct rodents
From Wikipedia, the free encyclopedia
This list is of rodent species that are extinct − no longer alive.
Species from related groups such as Lagomorpha (rabbits and hares) are not included.
| Genus | Species | Notes | Location | Approx. max. weight | Stratigraphy | Image |
|---|---|---|---|---|---|---|
| Castor | C. californicus | An extinct beaver species | Western North America | Late Miocene to Early Pleistocene[1] | ||
| Castoroides | Giant beavers | North America | Up to 100 kg (220 lb) | Pleistocene[1] |  | |
| Ceratogaulus | Horned gophers | North America | Smallest horned mammal | Late Miocene to Pliocene[2] |  | |
| Spelaeomys | S. florensis | A large cave rat | Flores | - | Extinct by 1500[3] | |
| "Giant hutias" | A paraphyletic group of rodents resembling large guinea pigs | West Indies | Up to 200 kg (440 lb) | Pleistocene[4] | ||
| Leithia | A giant dormouse | Europe (Malta, Sicily) | 113 g (4.0 oz) | Pleistocene[5] | ||
| Neochoerus | N. pinckneyi | A large capybara | North America | 100 kg (220 lb) | Pleistocene[6] | |
| Josephoartigasia | J. monesi | 'Giant pacarana', largest known rodent | South America | 1,500 kg (3,300 lb) | Pliocene to Early Pleistocene[7] |  |
| Phoberomys | P. pattersoni | A horse-sized rodent[8] | North America | Probably under 280 kg (620 lb);[8] earlier estimates up to 700 kg (1,500 lb)[9] | Miocene[8] | |
| Telicomys | A giant rodent, to 2 metres (6 ft 7 in) long | South America | Perhaps 70% of size of P. pattersoni[8] | Late Miocene to Early Pleistocene[8] |