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| English | French |
| mountain viscacha | lagostome des montagnes (Lagidium viscacia) |
| mountain viscachas | lagostomes des montagnes (Lagidium) |
| plains viscacha | lagostome des pampas (Lagostomus maximus) |
| plains viscachas | lagostomes des pampas (Lagostomus) |
| viscacha rat | rat minime (Octomys mimax) |
| viscacha rats | rats minimes (Octomys) |
| viscachas and chinchillas | chinchillidés (Chinchillidae) |