4.6" Pachycephalosaurus Dinosaur Fossil Rib Bone Lance Creek FM Wyoming COA Petraster As molten basalt rose and

As molten basalt rose and cooled

Cretaceous Age (66-145 million years ago)

further reducing survival to adulthood

challenges old beliefs

” is are unique features that make these fossils instantly recognizable

4.6" Pachycephalosaurus Dinosaur Fossil Rib Bone Lance Creek FM Wyoming COA Petraster As molten basalt rose andLocation: Lance Creek Formation, Weston County, Wyoming (Private Land Origin) Weight: 2. 3 Ounces Dimensions: 4. 4 Inches Long, 1. 7 Inches Wide, 1. 7 Inches Wide Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Name: Pachycephalosaurus Type: Herbivore Size: 5 meters in length. Pachycephalosaurus is an extinct genus of pachycephalosaurid dinosaurs that lived during the late Cretaceous period in North America,