According to the researchers the Giant ancient Prehistorical mammal like reptiles that grazed across the globe in the Permian Period may have possessed many of the fighting tactics seen in mordern herbivores, including head butting and attacks with the giant fangs. A number of these extinct beasts also possessed complex molar like teeth on the roof of their mouth.
About 250 to 300 million years ago, right before the Age of Dinosaurs the most successful vertebrates on land were the ancestors of mammals - also known as the primitive therapsids that are sometimes called mammal-like reptiles. These ancient creatures includes anomodonts,
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