This crest was probably covered in soft tissue and could have had functions related to communication or visual display between individuals of the same species

The Pachycephalosaurus's habitat was mainly in North America

indicating that it was a predator specialized in hunting and tearing its prey

This crest is believed to have been used for visual display during courtship and territory defense

Edaphosaurus pogonias Paleógeno This crest was probably coveredThe Edaphosaurus pogonias was a fascinating creature that inhabited the Earth during the Permian period, around 299 to 272 million years ago. It was a terrestrial reptile belonging to the pelycosaur group, characterized by its large size and a distinctive feature: a tall sail on its back. This sail was the result of a series of elongated bony structures that projected from the vertebrae and were covered by skin. Although its exact function is unknown,