Late Permian pareiasaurs (IMAGE)

California Academy of Sciences

Late Permian pareiasaurs

Caption

By the end of the Permian, pareiasaurs had become large and armored for self-protection. Other plant-eaters included dicynodonts, preyed on by dinocephalians . This complex ecosystem collapsed during the end-Permian mass extinction event, and only a few dicynodonts survived.

Credit

© Xiaochong Guo

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