A growing reference on specimens, minerals and the divisions of deep time — written and maintained by the site's admins.
76 entries · page 7 of 7
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A large, fast, feathered predator that lived during the Early Cretaceous and was the largest kn…
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A small, fast, feathered carnivorous dinosaur that lived during the Late Cretaceous and is one …
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The Woolly Rhinoceros was a large Ice Age mammal adapted to cold environments, known for its th…
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Zhuchengtyrannus was a large tyrannosaurid theropod dinosaur from the Late Cretaceous known for…