He was the author of a large number of papers on Therapsids and Pareiasaurs, and described and revised a number of species.
It is clear that these animals evolved from Nycteroleterids, perhaps a Rhipaeosaur-like form to fill the large herbivore niche(or guild) that had been occupied early in the Permian period by the Caseid pelycosaurs and before then the Diadectid amphibians and Edaphosaur reptiles.
Pareiasaur | pareiasaur |
It owes its name to the fact that its jaw was found near the fossils of a Permian pareiasaur named Anthodon.