New dome-headed dinosaur species found in Montana

A new species of dome-headed dinosaur, Brontotholus harmoni, has been identified from fossils in Montana, dating back approximately 75 million years to the Late Cretaceous period. This herbivorous dinosaur is notable for its distinct morphological features and is the first pachycephalosaurid found in the region, measuring about 10 feet long, making it one of the largest of its kind in North America.

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