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Print/export Download as PDF ... move to sidebar hide. Help. Cretaceous North America, geologic formations of the ... Late Cretaceous North America (3 C, 1 P) M.
The map of North America with the Western Interior Seaway during the Campanian. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, or the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years.
Pages in category "Late Cretaceous dinosaurs of North America" The following 200 pages are in this category, out of approximately 221 total. This list may not reflect recent changes .
Map of North America During the Late Cretaceous. During the Cretaceous, the present North American continent was isolated from the other continents. In the Jurassic, the North Atlantic already opened, leaving a proto-ocean between Europe and North America. From north to south across the continent, the Western Interior Seaway started
Cretaceous: North America: Mexico: Coahuila: Walcott-Rust quarry: Rust Formation: Late Ordovician: North America: US: New York [Note 1] Schoonmaker Reef and Soldiers' Home Reef: Silurian: North America: US: Wisconsin: Reefs (the first discovered in North America) Como Bluff: Sundance Formation: Late Jurassic: North America: US: Wyoming: Path 15 ...
The Late Cretaceous Epoch, the geologic time epoch 100 to 66 million years ago in Cretaceous Period geochronology, during the late Mesozoic Era The main article for this category is Late Cretaceous .
Laramidia was an island continent that existed during the Late Cretaceous period (99.6–66 Ma), when the Western Interior Seaway split the continent of North America in two. In the Mesozoic era, Laramidia was an island land mass separated from Appalachia to the east by the Western Interior Seaway.
Therizinosaurs such as Falcarius are also known from the Early Cretaceous of North America. Finally, during the Late Cretaceous Period, dinosaurs continued to diversify, with the Cenomanian stage seeing the rise of hadrosaurs such as Eolambia, and Protohadros, as well tyrannosaurs such as Moros intrepidus, which would eventually replace the ...