| Trigonostylops | |
|---|---|
| |
| Skull restoration of Trigonostylops | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | †Astrapotheria |
| Family: | †Trigonostylopidae |
| Genus: | †Trigonostylops Ameghino 1897 |
| Type species | |
| Trigonostylops wortmani Ameghino 1897
| |
| Species | |
| |
Trigonostylops is an extinct genus of South American meridiungulatan ungulate, from the Late Paleocene to Late Eocene (Itaboraian to Tinguirirican in the SALMA classification) of South America (Argentina and Peru) and Antarctica (Seymour Island). It is the only member of the family Trigonostylopidae.