Archelon's shell had a unique and distinctive shape

The Model Pose represents a sleeping specimen of Meraxes gigas

Microscopic remains of soft tissue and collagen fibers were also found on the surface of some Tyrannosaurus rex teeth

5 meters in length

Monolophosaurus jiangi Rhomaleosaurus Archelon's shell had a uniqueMonolophosaurus jiangi is a theropod dinosaur that lived during the Jurassic period, specifically during the Early Jurassic, approximately 180 million years ago. This dinosaur belongs to the Monolophosauridae family and is characterized by several distinctive features that make it interesting for paleontologists. In terms of size, Monolophosaurus jiangi was a medium sized theropod compared to some of its larger relatives. It is estimated that it