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When Dinosaurs Roamed America (sometimes shortened to When Dinosaurs Roamed outside of the United States) is a two-hour American television program (produced in the style of a traditional nature documentary) that first aired on the Discovery Channel on July 15, 2001. [1]
The only recorded find of a dinosaur fossil in Central America consists of a single femur discovered from Middle Cretaceous age deposits in Comayagua Department in the central part of Honduras. The fossil had been found in January, 1971 by Bruce Simonson and Gregory Horne, though it was later sent to the National Museum of Natural History, USA ...
The oldest dinosaur remains in the eastern US are about 225 million years old. [55] So, dinosaurs had reached the east coast of the United States not long after they evolved in the first place. [56] Fossil footprints are the most common kind of early dinosaur fossil in the eastern United States. [57]
DENVER (KDVR) — Paleontologists unearthed a fossil in the northwest corner of Colorado and discovered a new mammal that lived when dinosaurs roamed the state millions of years ago.
Dinosaur extinction: ... Mastodons, large mammals similar to both elephants and mammoths, roamed North America from around 3.5 million years ago until 10,500 years ago.
Dinosaurs roamed New Mexico millions of years ago, and mysteriously died out 66 million years ago. ... It was the last known sauropod dinosaur in North America, known for their long necks, long ...
Valley of the T. rex is a Discovery Channel documentary, featuring paleontologist Jack Horner, that aired on September 10, 2001.The program shows Horner with his digging team as they travel to Hell Creek Formation in search for dinosaur fossils, while also following Horner as he presents his view of the theropod dinosaur Tyrannosaurus rex as a scavenger rather than a predator, as it is often ...
Tyrannosaurus, which roamed western North America, was one of the largest meat-eating dinosaurs. It appears this Tyrannosaurus was about 13-15 years old, two-thirds adult size, 25 feet (7.6 meters ...