Friday, May 16, 2014 – The Western Interior Seaway (also called the Cretaceous Seaway), a large inland sea, split the continent of North America into two landmasses… Appalachia to the east and Laramidia to the west. It existed during the mid- to late Cretaceous period and briefly during the very early Paleogene. [Per Wikipedia]


DinoFactFriday - The Western Interior Seaway split the continent of North America... #dinofactfriday