Jefferson Ground Sloth
West Virginia State Fossil
Megalonyx jeffersoni, ground sloth juvenile skull, Measures 11"L 9"H 6.5"W
Megalonyx jeffersoni ground sloth cast replica.
Molded from original fossils discovered in Florida.
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Kingdom: Animalia, Phylum: Chordata, Class: Mammalia, Superorder: Xenarthra, Order: Pilosa, Family: Megalonychidae (Gervais, 1855), Subfamily: Megalonychinae, Genus: Megalonyx (Jefferson, 1799), Species: Megalonyx matthisi (Hirschfeld & Webb, 1963) Megalonyx wheatleyi (Cope, 1871) Megalonyx leptostomus (Cope, 1893) Megalonyx jeffersonii (Desmarest, 1822)
Megalonyx skeleton cast replica.
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 been Carbon 14 dated at over 38,000 years old.
Megalonyx jeffersonii became the official State Fossil of West Virginia in March 2008
This is not a stock item. Please inquire on production time.