Edmontosaurus annectens (Anatosaurus) Skull & Jaws Carnataurus which suggests that it is

which suggests that it is a significant transitional form

A nearby volcano blast killed and buried the inhabitants of the lake in a 4

Later Cretaceous

8 mya to 11

One of the most famous deposits containing fossil jellyfish is the Pennsylvanian-aged Mazon Creek Lagerst�tte near Chicago

Edmontosaurus annectens (Anatosaurus) Skull & Jaws Carnataurus which suggests that it isEdmontosaurus annectens was a species of flat headed or saurolophine hadrosaurid ornithopod dinosaur (a "duck billed dinosaur") from the very end of the Cretaceous Period, in what is now North America. Remains of E. annectens have been preserved in the Frenchman, Hell Creek, and Lance Formations. All of these formations are dated to the late Maastrichtian stage of the Late Cretaceous Period, representing the last three million years before the