Megalonyx jeffersonii, ground sloth claw, 3rd distal phalange, Now The Official State Fossil Of West Stegosaurus bony crest was as big

bony crest was as big or bigger than the rest of its skull and may have been used to produce sounds

" Deinonychus was larger than the more popularly known Velociraptor but otherwise was similar in form and probably hunted in a similar manner

They range in size from 7 to 18 inches in several colors depending on size

Owen described the specimen in 1863

Megalonyx jeffersonii, ground sloth claw, 3rd distal phalange, Now The Official State Fossil Of West Stegosaurus bony crest was as bigMegalonyx jeffersonii Jefferson Ground Sloth West Virginia State Fossil 3rd Distal Phalange President, 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