A growing reference on specimens, minerals and the divisions of deep time — written and maintained by the site's admins.
70 entries · page 6 of 6
Video
Therizinosaurus was a gigantic feathered theropod dinosaur from the Late Cretaceous known for i…
Video
Torvosaurus was a large carnivorous theropod dinosaur from the Late Jurassic known for its powe…
Video
A large, three-horned herbivorous dinosaur that lived during the Late Cretaceous and is one of …
Video
An extinct group of marine arthropods that thrived for over 270 million years and are among the…
Video
A medium-sized long-necked marine reptile that lived during the Late Cretaceous in the seas sur…
Video
A giant carnivorous dinosaur that dominated North America during the Late Cretaceous and is reg…
Video
A large, fast, feathered predator that lived during the Early Cretaceous and was the largest kn…
Video
A small, fast, feathered carnivorous dinosaur that lived during the Late Cretaceous and is one …
Video
The Woolly Rhinoceros was a large Ice Age mammal adapted to cold environments, known for its th…
Video
Zhuchengtyrannus was a large tyrannosaurid theropod dinosaur from the Late Cretaceous known for…