XXL 5" Knightia Eocaena Fossil Fish Green River FM WY Eocene Age COA And Stand Mosasaur Tooth As the first duck-billed dinosaur

As the first duck-billed dinosaur discovered in North America

including pyramidal

This hadrosaur likely faced constant predation pressure

formed when dense mineral crystals settled and accumulated at the base of magma bodies during solidification

the wood was replaced by silica-rich minerals such as chalcedony

XXL 5" Knightia Eocaena Fossil Fish Green River FM WY Eocene Age COA And Stand Mosasaur Tooth As the first duck-billed dinosaurLocation: Kemmerer, Wyoming Weight: 1 Pound 4. 1 Ounces Dimensions: 7. 6 Inches Long, 5 Inches Wide, 0. 4 Inches Thick (Plate) The Fish is: 5 Inches Long, 1. 9 Inches Wide Comes with a Certificate of Authenticity. Comes with a Free Stand. The item pictured is the one you will receive. 50 million years old, Eocene age Knightia Eocaena is the most common fish in Fossil Lake and possibly the most frequently articulated vertebrate fossil worldwide. It is