The creature from the Cretaceous was twice the size of anything seen today.
The distinctive creature lived 76 million years ago, during the Cretaceous, in a modern-day Utah that looked more like Louisiana bayou country.
A nest full of tiny dinosaurs froze in time a tragedy that led to their deaths around 70 million years ago.
Tiny organs, fur, spines and a fungal hair infection are still intact in a Cretaceous Era fossil.
The 22-foot, 110-million-year-old creature dates back to the Cretaceous Period.
A larger mouth can improve feasting, as demonstrated by a newly identified prehistoric shark that could take in enormous quantities of food.
The dinosaurs of Gondwana may have wandered around and died in fields of flowers that were the ancestors of daisies.
The reptile is an extinct species called the philydrosaurus, and likely lived during the Early Cretaceous, about 145 to about 100 million years ago.
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