Megalonyx jeffersoni, ground sloth skull, Now The West Virginia State Fossil Stegosaurus and lobsters belong to this

and lobsters belong to this order

and weasels

Pachycephalosaurus

Edmontosaurus was widely distributed across western North America

Found near Workerszell in 1951

Megalonyx jeffersoni, ground sloth skull, Now The West Virginia State Fossil Stegosaurus and lobsters belong to thisPresident, 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