Life along the edge of the Western Interior Seaway was dynamic and diverse100 million years ago. Seasonal floods shaped sprawling lowlands while dense forests pressed against winding muddy ...

During the Cretaceous, a shallow inland sea called the Western Interior Seaway split North America into two landmasses—and the giant reptile’s fossils have been found on both sides of it.

Salt tolerance would have helped Deinosuchus navigate the Western Interior Seaway that once divided North America, during a greenhouse phase marked by global sea level rise.

In the Cretaceous Period — it ran from about 145 million years ago to 66 million years ago — western Kansas sat beneath the waves of the Western Interior Seaway, a body of water hundreds of ...

CONDOS: It's hard to imagine, but 80 million years ago, this dry, desolate landscape sat beneath the waves of the Western Interior Seaway, which stretched from the Arctic Ocean to the Gulf of Mexico.

An integrated perspective of paleoenvironmental change in the Western Interior Seaway before and during OAE-2 reveals how organic-rich mudstones form in dynamic environments ...

Salt tolerance would have helped Deinosuchus navigate the Western Interior Seaway that once divided North America, during a greenhouse phase marked by global sea level rise.

Salt tolerance would have helped Deinosuchus navigate the Western Interior Seaway that once divided North America, during a greenhouse phase marked by global sea level rise. Deinosuchus could then ...

An artist's illustration shows Deinosuchus riograndensis swimming with an early alligator relative in the wetlands of the Western Interior Seaway in southwestern North America, during the Late ...

An artist's illustration shows Deinosuchus riograndensis swimming with an early alligator relative in the wetlands of the Western Interior Seaway in southwestern North America, during the Late ...