Dinosaur Visual Guides

Visual guides to dinosaurs with images, names, and key features explained.

  • Coelurus (Hollow Tail)

    Coelurus was a small theropod dinosaur in the family Coeluridae. The name “Coelurus” means “hollow tail,” referring to the hollow vertebrae found in the animal’s fossil remains. The Coelurid lived during the Late Jurassic period, approximately 154 to 150 million years ago, in what is now North America. Discovery and Fossils The species Coelurus fragilis…

  • Brachylophosaurus

    Meet Leonardo, a 77-million-year-old sub-adult Brachylophosaurus canadensis. His fossilized skeleton is covered in soft tissue–skin, scales, muscle, foot pads–and even his last meal is in his stomach. The actual tissue has fossilized, but Leonardo presents the world with its first look at a dinosaur in the flesh. “This unique discovery will completely change what we…