Estemmenosuchus mirabilis Carbonífero Although it was already moving

Although it was already moving away from its terrestrial ancestors

Su presencia en los registros fósiles del Triásico medio refuerza la idea de que los arcosaurios —en particular los precursores de cocodrilos y dinosaurios— estaban diversificándose rápidamente tras la extinción masiva del Pérmico

and a head with a horny beak

As a sauropod

Height 99mm

Estemmenosuchus mirabilis Carbonífero Although it was already movingEstemmenosuchus mirabilis was a large dynocephalian therapsid that lived during the Middle Permian, approximately 267 to 260 million years ago, in what is now the Ural Mountains and the Kama River basin in Russia. This animal belonged to the basal therapsid group, a lineage that would later give rise to mammals, and was characterized by a robust anatomy and an extraordinarily ornate skull that distinguishes it from other primitive synapsids. The body