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The Cretaceous in Montana, US

Cretaceous in Montana map

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Cretaceous Fossils
Fossil photos from Cretaceous in Montana

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Paleontology and geology

The Cretaceous was a geologically active time in Montana. The western part of the state experienced mountain building and episodes of violent volcanism. A broad coastal plain extended eastward to meet the Cretaceous Western Interior Seaway. Periods of high sea level interrupted times of terrestrial deposition. Climates were warm, with wetter conditions near the coast and seasonally arid ones in the shadow of the mountains. Terrestrial ecosystems supported a wide diversity of plants and animals, including the dinosaurs Deinonychus, Maiasaura, and one of the most famous, Tyrannosaurus rex.

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Careers | Organizations | Education and Exhibits


Degree and Certificate Programs (showing 1 of 1 listings)

Montana State University- Earth Sciences: Train to be a paleontologist in the MSU Undergraduate and Graduate Paleontology Programs. The Earth Sciences Department at MSU caters to both paleobiology and taphonomy interests.

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Career Paths (showing 1 of 1 listings)

Paleoprofile of Kristi Curry Rogers: Biographical sketch of paleontologist Kristi Curry Rogers. Learn about her work in dinosaur paleontology in Montana and Madagascar.

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Museums (showing 1 of 1 listings)

Two Medicine Dinosaur Center: The Two Medicine Dinosaur Center is located in the Bynum-Choteau area of Montana, along the Rocky Mountain front. This area is noted worldwide for its spectacular paleontological discoveries, geological exposures, wildlife habitat, and Native American historical and archaeological sites. The Dinosaur Center is situated in this impressive area to provide hands-on programs for the general public and an interactive museum to showcase our findings. Professional researchers and instructors provide informative and entertaining experiences for all ages and interests, and programs are conducted at active research sites allowing interested persons the opportunity to experience real dinosaur paleontology.

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Education and Exhibits

Virtual Exhibits (showing 2 of 2 listings)

Paleo Video: A modern day dinosaur extinction: This video features Mark Goodwin and Jack Horner's research on pachycephalosaurs. They argue that there were fewer pachycephalosaur species in the Hell Creek Formation than we thought - two species, Dracorex hogwartsia and Stygimoloch spinifer, are actually juveniles and teenagers of the species Pachycephalosaurus wyomingensis.

Museum of the Rockies Dinosaur Paleontology Videos: This page contains links to several short films produced at the Museum of the Rockies in Bozeman, Montana (home to dinosaur paleontologist Jack Horner).

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