Titanothere, left lower jaw and teeth Styracosaurus compared to 50 or 100

compared to 50 or 100 tons for more famous sauropod cousins like Diplodocus or Argentinosaurus

This type of egg is believed to have been laid by a Hadrosaur or duckbilled dinosaur

Iguanodon was the second type of dinosaur formally named based on fossil specimens

Paleontologist Mark Goodwin of the University of California at Berkeley has analyzed many pachycephalosaur skulls (including those of Pachycephalosaurus)

flowering plants

Titanothere, left lower jaw and teeth Styracosaurus compared to 50 or 100The Titanotheres (also known as brontotheres) are extinct family of large, rhinoceros like mammals that were ancestors of the horse, rhinoceros, and tapir. Titanotheres had horn like structures on their snout; bony knobs protruded from their skull and were covered with thick skin. Males had larger knobs than females. These herbivores ate soft forest vegetation and were up to 8 feet (2. 5 m) tall at the shoulder. Titanotheres had a tiny brain, only as