Megantereon inexpectatus, saber-toothed cat skull Deinonychus It is otherwise a very

It is otherwise a very rare complete specimen

Manchurochelys liaoxiensis looked like a modern turtle

Jellyfish are extremely rare in the fossil record

it was one of the three genera originally used to define Dinosauria

Pliosaurus (meaning "greater lizard") was a huge

Megantereon inexpectatus, saber-toothed cat skull Deinonychus It is otherwise a veryMegantereon inexpectatus Saber tooth Cat Skull Megantereon was a genus of prehistoric saber toothed cat that lived in North America, Eurasia, and Africa. It may have been the ancestor of Smilodon. Megantereon was built like a large modern jaguar, but somewhat heavier. It had stocky forelimbs with the lower half of these forelimbs lion sized. It had large neck muscles designed to deliver a powerful shearing bite. The elongated upper canines were