Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...
The end of the Cretaceous Period, 66 million years ago, marked the dramatic extinction of the dinosaurs. Until now, our ...
Cretaceous Australia Landscape. Artwork by Jonathan Metzger. Source - Museums Victoria Credit: Artwork by Jonathan Metzger.
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