Traskasaura sandrae is a "very odd" mix of primitive and derived traits. A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...

Encasing it was the so-called taco shell — a tubular ... food such as smaller Cambrian sea creatures, the researchers reported. When they examined the fossils, they found stiff, hairlike ...

The researchers used oyster shell fossils from the Neo-Tethys Ocean along with high-resolution climate models to reconstruct seasonal fluctuations in sea surface temperatures during the greenhouse ...

Shell fossils are common ... which was inundated by the Western Interior Sea Way during the Cretaceous period. Mosasaur fossils have been found in the area before, but only in much smaller ...