Megalonyx jeffersoni, ground sloth skull, Now The West Virginia State Fossil Stegosaurus Its shape is known from

Its shape is known from prehistoric cave drawings

These people include his wife Mary Ellen

Because the tooth rows are deeply inset from the outside of the jaws

Folsom and Dalton points

Megalonyx jeffersoni, ground sloth skull, Now The West Virginia State Fossil Stegosaurus Its shape is known fromPresident, 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