Fossil Ginkgo Leaf - 3.306" 30sept2023sale All of these pockets eventually

All of these pockets eventually died out due to the lack of genetic diversity that comes from metropolitan interactions with larger populations

This specimen is a fossil of a sea scorpion from the species Eurypterus remipe

glass-topped riker box display case measuring 5 1/2" x 6 1/2"

laser etched

Fossil Ginkgo Leaf - 3.306" 30sept2023sale All of these pockets eventuallyThe 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. 306" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota. This formation and the fossil are from the