Fossil Ginkgo Leaf - 3.109" plesiosaur The Mini Museum Seal of

The Mini Museum Seal of Authenticity is included on the card

and construction workers at more than 30 sites across the United States

Director USU Eastern Prehistoric Museum

08" fossil fragment of the Dimetrodon's iconic spine

a 12-megaton explosion leveled 80 million trees over an area of 830 square miles (2

Fossil Ginkgo Leaf - 3.109" plesiosaur The Mini Museum Seal ofThe Ginkgo tree is a beautiful plant with fascinating fan like leaves that turn a rich gold in autumn. First appearing in the Jurassic Period, this magnificent gymnosperm has changed very little over the past several million years, making the modern tree a living fossil of its prehistoric ancestors. This specimen is a 3. 109" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota. This formation and the fossil are from the