1.9" Triceratops Fossil Jaw Section Cretaceous Dinosaur Lance Creek FM MT COA Alethopteris Protostega was a giant sea

Protostega was a giant sea turtle of comparable size

or lightning rock

and periodic eruptions dramatically altered the environment

9 to 23 million years ago) commonly found as fossils in the rocks of the Badlands region of South Dakota

1.9" Triceratops Fossil Jaw Section Cretaceous Dinosaur Lance Creek FM MT COA Alethopteris Protostega was a giant seaLocation: Lance Creek Formation, Wyoming (Private Land Origin) Weight: 1. 1 Ounces Dimensions: 1. 9 Inches Long, 1. 6 Inches Wide, 0. 6 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Late Cretaceous, 83. 5 66 million years old. Name: Triceratops Type: Herbivore Size: 8 to 9 meters long. Triceratops is a herbivorous ceratopsid dinosaur genus that lived during the Late Cretaceous, around 68 million