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 | |
|---|---|
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| Restoration by Robert Bruce Horsfall | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | †Notoungulata |
| Family: | †Toxodontidae |
| Subfamily: | †Toxodontinae |
| Genus: | †Trigodon Ameghino, 1887 |
| Species: | †T. gaudryi
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| Binomial name | |
| †Trigodon gaudryi Ameghino, 1887
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It bore a superficial resemblance to a rhinoceros, in that it had a horn on its forehead.[2]
Fossil distribution edit
- Monte Hermoso Formation, Argentina[1]
- Solimões Formation, Acre State, Brazil, eastern slope of Andes Mountains.[3]
References edit
- ^ a b Trigodon at Fossilworks.org
- ^ Long, Michael. "Trigodon (with image)" (web). The Natural History Museum. Retrieved 2007-01-15.
- ^ J. B. Villanueva, C. Muizon, and J. P. Souza Filho. 1990. Novos achados de cetaceos longirrostros no Neogeno do Acre, Brasil. Boletim do Museu Paraense Emilio Goeldi, Ciencias da Terra 2:59-64
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