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The earliest potential record of dinosaurs in North America comes from rare, unidentified (possibly theropod) footprints in the Middle-Late Triassic Pekin Formation of North Carolina. [1] However, the most reliable early record of North American dinosaurs comes from fragmentary saurischian fossils unearthed from the Upper Triassic Dockum Group ...
This list of fossil sites is a worldwide list of localities known well for the presence of fossils.Some entries in this list are notable for a single, unique find, while others are notable for the large number of fossils found there.
Toggle North America subsection. 4.1 Canada. 4.2 United States. 4.2.1 Arizona. ... Dinosaur National Monument, in Northwest Colorado and North-East Utah. Dinosaur Ridge;
Dinosaur Tracks of Western North America. Columbia University Press. 1999. Lucas S, Herne M, Heckert A, Hunt A, and Sullivan R. Reappraisal of Seismosaurus, A Late Jurassic Sauropod Dinosaur from New Mexico. Archived 2019-10-08 at the Wayback Machine The Geological Society of America, 2004 Denver Annual Meeting (November 7–10, 2004 ...
The location of the United States in North America. A substantial amount of paleontological research has occurred within or conducted by people from the United States. Paleontologists have found that at the start of the Paleozoic era, what is now "North" America was actually in the southern hemisphere. Marine life flourished in the country's ...
As of today, dinosaurs identified as having inhabited Alaska include: Troodon, a small bird-like dinosaur; Dromaeosaurus, a medium-sized carnivore; Edmontosaurus, a large, horny-beaked plant eater ...
Call it shovel and pail-eontology. Three North Dakota boys made the extraordinary discovery of a highly rare Tyrannosaurus rex fossil that could change what we know about dinosaurs.
This is a list of U.S. state dinosaurs in the United States, including the District of Columbia. Many states also have dinosaurs as state fossils , or designate named avian dinosaurs ( List of U.S. state birds ), but this list only includes those that have been officially designated as "state dinosaurs".