Sinomegaceros pachyosteus is one of the largest known giant deer

específicamente en los estados de Colorado

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

able to chase and capture his prey effectively

específicamente en el período Carniense

Polacanthus Carcharodontosaurus Sinomegaceros pachyosteus is one ofPolacanthus 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