estrechamente relacionado con los iguanodóntidos

represent a classic example of predator and prey in a prehistoric ecosystem

resting and basking on the rocks

a behavior known as gastrolithiasis

It was described in 2012 from fragmentary fossil remains

Inostrancevia alexandri Anteosaurus estrechamente relacionado con los iguanodóntidosInostrancevia alexandri, an extinct species of gorgonopsid therapsid that inhabited Earth during the Permian period, approximately 270 to 260 million years ago. It was a large predator that ranked high in the food chain of its ecosystem. This therapsid belonged to the group of gorgonopsids, a family of carnivores that were characterized by their developed fangs and their appearance similar to that of reptiles, although they were more closely related