Megalonyx jeffersoni, ground sloth skull, Now The West Virginia State Fossil Stegosaurus Edmontosaurus was widely distributed across

Edmontosaurus was widely distributed across western North America

This headless human skeleton was first offered by Henry A Ward in his 1866 catalog

Its shape is known from prehistoric cave drawings

This fine replica is of several of the armor plates called scutes

lined with needle teeth

Megalonyx jeffersoni, ground sloth skull, Now The West Virginia State Fossil Stegosaurus Edmontosaurus was widely distributed acrossPresident, 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