they probably returned to land to lay eggs and may even have protected their nests

The Carnotaurus was a relatively large dinosaur

long necks and relatively small heads

an Edaphosaurus

específicamente en los estados de Colorado

Polacanthus Carcharodontosaurus they probably returned to landPolacanthus foxii is a genus of ankylosaur dinosaur that lived during the late Cretaceous period, approximately 130 110 million years ago. Polacanthus had a large and robust body, which could measure up to 5 meters in length and weigh around 2 tons. It had a small head compared to its body, with a jaw that had small, sharp teeth. Its body was covered by bony plates and spines that protected it from predators. Unlike other ankylosaurs, which had