Shallow seas formed, dividing some continents. In the Late Cretaceous, for example, the Western Interior Seaway split North America into two landmasses. At its largest this sea was more than 3,000 ...

Xiphactinus trolled an ancient ocean called the Western Interior Seaway, which covered much of central North America during the Cretaceous. Though long extinct, if alive today the bony fish would ...

My research interests are concerned with the exploration for and production of hydrocarbons from stratigraphically trapped accumulations, and are focused on the clastic depositional systems of the ...

For most of the Cretaceous, Canada’s prairie provinces were sitting deep underwater. A giant inland sea cut right across North America. Known as the Western Interior Seaway, it ran north to ...

Parts of western Colorado were likely swampy during the Late Cretaceous period ... environment near the margin of the Western ...

During the Late Cretaceous, the Western Interior Seaway, which divided what is now North America, would have provided G. alabamaensis with an abundance of shelled prey. The different tooth types ...