4.1" Triceratops Fossil Tibia Bone Lance Creek FM Cretaceous Dinosaur WY COA Stand Chrysocolla Because ammonites evolved rapidly and

Because ammonites evolved rapidly and had distinct species over short geological time spans

It could also be that the number of large prey animals that mosasaurs are traditionally associated with began to fall

which appeared near the end of the Cretaceous

" represents a distinct group of ceratosaurian theropod dinosaurs that flourished during the Cretaceous period

due to the clearly articulated skeletons of the species

4.1" Triceratops Fossil Tibia Bone Lance Creek FM Cretaceous Dinosaur WY COA Stand Chrysocolla Because ammonites evolved rapidly andLocation: Lance Creek Formation, Weston County, Wyoming (Private Land Origin) Weight: 1 Pound 9. 7 Ounces (With Metal Stand) Dimensions: 7 Inches Long, 4. 1 Inches Wide, 3. 1 Inches Thick (With Metal Stand) Fossil Dimensions: 4. 1 Inches Long, 3. 8 Inches Wide, 3. 1 Inches Thick Comes with a Certificate of Authenticity. Comes with a Free Custom Stand. The item pictured is the one you will receive. Late Cretaceous, 66 68 million years old. Name: