Dinosaur Discoveries in North America

Early Dinosaur History in the United States

When was the first Tyrannosaurus rex fossil discovered in the United States?

The first Tyrannosaurus rex skeleton was discovered in the United States in 1902 by Barnum Brown (1873–1963), who was perhaps the greatest collector of dinosaur fossils. Brown, working for the American Museum of Natural History, discovered the remains in the area of Hell Creek, Montana.


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