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‘Once in a lifetime’ fossil reveals a dinosaur and mammal locked in mortal combat

edition.cnn.com Fossil reveals the unexpected moment a cat-size mammal took on a dinosaur three times its size | CNN

Sometime during the Cretaceous Period, 125 million years ago, a feisty mammal the size of a domestic cat attacked a dinosaur three times its size.

Fossil reveals the unexpected moment a cat-size mammal took on a dinosaur three times its size | CNN
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