| Lagostomus crassus | |
|---|---|
| |
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Chinchillidae |
| Genus: | Lagostomus |
| Species: | †L. crassus |
| Binomial name | |
| †Lagostomus crassus Thomas, 1910 | |
Lagostomus crassus is an extinct species of viscacha that was native to Peru. It is known from a single skull found in southern Peru.