Megalonyx jeffersoni, ground sloth model, Now The West Virginia State Fossil Styracosaurus Megalonyx jeffersonii

Megalonyx jeffersonii

and finished to look like the jaws of a living shark

sauropod dinosaur

While regarded as one of the largest and most powerful predators to have ever lived

5B Hipparion hindfoot

Megalonyx jeffersoni, ground sloth model, Now The West Virginia State Fossil Styracosaurus Megalonyx jeffersoniiPresident, Thomas Jefferson, scientifically described fossil bones given to him by saltpeter miners found in a Monroe County cave in 1797. Jefferson thought they were the claws of a giant cat. In 1799 Casper Wistar re described the bones as a new species of extinct giant ground sloth and named it in honor of President Jefferson. Only recently have the bones been Carbon 14 dated at over 38,000 year old. On March 8, 2008 Megalonyx jeffersoni became the