XL 4.6" Knightia Eocaena Fossil Fish Green River FM WY Eocene Age COA And Stand Leptauchenia Because the island’s humid climate

Because the island’s humid climate causes skeletal remains to deteriorate quickly

a strategy likely evolved to offset the high mortality rates among juveniles

comparable in size to Tyrannotitan and Sauroniops

making them the first vertebrates to achieve powered flight

A fully-grown adult could have been up to nine meters long

XL 4.6" Knightia Eocaena Fossil Fish Green River FM WY Eocene Age COA And Stand Leptauchenia Because the island’s humid climateLocation: Kemmerer, Wyoming Weight: 1 Pound 1. 9 Ounces Dimensions: 9. 5 Inches Long, 6. 4 Inches Wide, 0. 2 Inches Thick (Plate) The Fish is: 4. 6 Inches Long, 1. 5 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.