List of extinct rodents
# List of extinct rodents

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.

## Before 1500

Exceptionally large extinct rodents :

| Genus | Species | Notes | Location | Approx. max. weight | Stratigraphy |
| - | - | - | - | - | - |
| Castor | C. californicus | An extinct beaver species | Western North America | | Late Miocene to Early Pleistocene |
| Castoroides | | Giant beavers | North America | Up to 100 kg (220 lb) | Pleistocene |
| Ceratogaulus | | Horned gophers | North America | Smallest horned mammal | Late Miocene to Pliocene |
| Spelaeomys | S. florensis | A large cave rat | Flores | - | Extinct by 1500 |
| "Giant hutias" | | A paraphyletic group of rodents resembling large guinea pigs | West Indies | Up to 200 kg (440 lb) | Pleistocene |
| Leithia | | A giant dormouse | Europe (Malta, Sicily) | 113 g (4.0 oz) | Pleistocene |
| Neochoerus | N. pinckneyi | A large capybara | North America | 100 kg (220 lb) | Pleistocene |
| Josephoartigasia | J. monesi | 'Giant pacarana', largest known rodent | South America | 1,500 kg (3,300 lb) | Pliocene to Early Pleistocene |
| Phoberomys | P. pattersoni | A horse-sized rodent | North America | Probably under 280 kg (620 lb); earlier estimates up to 700 kg (1,500 lb) | Miocene |
| Telicomys | | A giant rodent, to 2 metres (6 ft 7 in) long | South America | Perhaps 70% of size of P. pattersoni | Late Miocene to Early Pleistocene |

## Extinct after 1500

### 16th century

* Oriente cave rat
* Torre's cave rat
* Imposter hutia
* Montane hutia
* Megaoryzomys
* Cuban coney
* Hispaniolan edible rat
* Conilurus capricornensis
* Samaná hutia
* Buhler's coryphomys
* Noronhomys
* Pennatomys nivalis
* Desmarest's hutia

### 17th century

* Insular cave rat
* Puerto Rican hutia
* Verhoeven's giant tree rat
