específicamente en el período Carniense

específicamente en los estados de Colorado

an Edaphosaurus

adapted for ocean swimming

Polacanthus Carcharodontosaurus específicamente en el período CarniensePolacanthus 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