específicamente en los estados de Colorado

long necks and relatively small heads

Sinomegaceros pachyosteus is one of the largest known giant deer

an Edaphosaurus

The Carnotaurus was a relatively large dinosaur

Polacanthus Carcharodontosaurus específicamente en los estados dePolacanthus 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