Styxosaurus snowii, Elasmosaur Skull Quetzalcoatlus Asia and Africa

Asia and Africa

The exterior of the dentary is intact

Ankylosaurus was a large animal by modern standards

closely related to Cephalaspis

and extends to modern times as the genus Limulus

Styxosaurus snowii, Elasmosaur Skull Quetzalcoatlus Asia and AfricaStyxosaurus was an elasmosaur, a long necked variety of the marine reptiles called plesiosaurs. These sea monsters grew upwards of 40 feet (12 meters) long. About half that length was neck, a feature that allowed Styxosaurus to sneak up on schools of fish as it slowly cruised the shallow waters of the Late Cretaceous seas. The long, pointed teeth of Styxosaurus were useful for seizing and holding prey, but they couldn't cut or chew. Instead, the