Trigonostylops


Trigonostylops is an extinct genus of South American meridiungulatan ungulate, from the Late Paleocene to Late Eocene of South America and Antarctica. It is the only member of the family Trigonostylopidae.

Description

A complete skull of the type species, T. wortmani, has been found, and it has been classified as an astrapothere based on its large lower incisors.

Phylogeny

based in the phylogenetic analysis published by Vallejo Pareja et al., 2015, showing the position of Trigonostylops:

Distribution

Fossils of Trigonostylops have been found in:
;Paleocene
;Eocene