New Mexico Museum of Natural History and Science


New Mexico's Seacoast

Cretaceous Period, 144 million to 66 million years ago

This recently expanded and upgraded hall reopened in 2003. It features a time when most of New Mexico was covered by an inland sea and urges you to consider what New Mexico was like 75 million years ago.

The exhibit features a living tropical forest and fossils of marine animals, strange birds, early mammals, and dinosaurs. The dinosaur fossils include a jawbone with teeth from a T. rex, a partial skeleton of the tyrannosaur Daspletosaurus, and skulls of many other dinosaurs, including Parasaurolophus, Naashoibitosaurus, Sphaerotholus, and a tyrannosaur known as "The Bisti Beast". 

Click Here to Download a floor plan of this hall (PDF)