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Trigodon is an extinct genus of the family Toxodontidae, a large bodied notoungulate which inhabited South America during the Late Miocene to Early Pliocene (Mayoan to Montehermosan in the SALMA classification), living from 11.61 to 4.0 Ma and existed for approximately 7.61 million years. The type species is T. gaudryi.[1]
| Trigodon | |
|---|---|
 | |
| Restoration by Robert Bruce Horsfall | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | †Notoungulata |
| Family: | †Toxodontidae |
| Subfamily: | †Toxodontinae |
| Genus: | †Trigodon Ameghino, 1887 |
| Species: | †T. gaudryi |
| Binomial name | |
| †Trigodon gaudryi Ameghino, 1887 | |
It bore a superficial resemblance to a rhinoceros, in that it had a horn on its forehead.[2]
- Monte Hermoso Formation, Argentina[1]
- Solimões Formation, Acre State, Brazil, eastern slope of Andes Mountains.[3]
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