Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...
Megaraptorids are known for somewhat small but sharp teeth, air-filled bones, and powerful forelimbs with enormous claws.
A rare, nearly complete skull unearthed in the Egyptian desert has led to the identification of a new species of apex predator, Bastetodon.
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