Nestled in Alberta’s badlands, the Royal Tyrrell Museum houses some of the world’s most incredible fossils of prehistoric ... A giant inland sea cut right across North America.
Crumbling landmasses and inland seas. Sea monsters, sharks ... Laurasia, the northern half, broke up into North America and Eurasia. Gondwana, the southern half, began to break up by the mid ...
Archelon was a giant prehistoric turtle that lived ... we now call the Western Interior Seaway — a large inland sea that split North America into two landmasses for 34 million years.