playing an important ecological role in maintaining the island's pre-human forest communities

su estructura corporal era más primitiva

fibrous plants such as ferns

aunque algunas especies más pequeñas también se han identificado

Pachyrhinosaurus Paleozoico superior playing an important ecological rolePachyrhinosaurus is an extinct genus of ceratopsian dinosaur that lived during the late Cretaceous period, approximately 72 to 67 million years ago. Its name means "thick nosed lizard", which refers to the distinctive feature of this species. Pachyrhinosaurus was characterized by having a large, robust skull with a thick nose and enlarged nasal organs, which formed bony structures called "antlers" at the front of the skull. These antlers varied in