article: Edward Drinker Cope
links: Coelophysis Charles Darwin Upper Triassic American Civil War Haverford College DNA Philadelphia, Pennsylvania Pennsylvania Paleontology United States Geological Survey Dublin Camarasaurus Utah Elasmosaurus Bone Wars Edaphosaurus The Voyage of the Beagle Cuba American West Othniel Charles Marsh Lamarckism Quakers Americans New York Herald American Philosophical Society Salamandridae Natural history Eocene North America Smithsonian Institution Federal Government of the United States Haddonfield, New Jersey Monoclonius Colorado University of Pennsylvania Charles R. Knight Philadelphia Publishing Dryptosaurus