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paleontology
71 Million Years Ago
The First Miners in West Virginia
Christopher Brochu reviewed the genus in 2004 and
Helicoprion ("Spiral Saw") was a long-lived genus of shark-like cartilaginous fish that first arose in the oceans of the late Carboniferous 280 million years ago
Triceratops, dorsal vertebra Protoceratops paleontologyThe original dorsal vertebra was found in the Hell Creek Formation of South Dakota. Cretaceous Age. Individual Triceratops are estimated to have reached about 7. 9 to 9. 0 meters (26. 029. 5 feet) in length, 2. 9 to 3. 0 meters (9. 59. 8 feet) in height, and 6. 112 tons (13,00026,000 pounds) in weight. The most distinctive feature is their large skull, among the largest of all land animals. The largest known skull (specimen MWC 7584, formerly BYU
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