hace aproximadamente 70 millones de años

which inhabited the cold northern steppes of the continent

where it inhabited what is now Montana

and the climate was much hotter and more arid than it is today

their discovery has provided valuable information on the diversity and evolution of tyrannosaurids during the Late Cretaceous in the Arctic

Ceratosaurus Scale:1:35 hace aproximadamente 70 millones deCeratosaurus (C. nasicornis, 'Horned Lizard') is an extinct genus of theropod dinosaur that lived in the Tithonian of the Late Jurassic, approximately 153 and 148 million years ago, one of the last serpentine tailed Ceratosaurids. Ceratosaurus was a bipedal carnivore, quite early in the evolutionary history of theropod dinosaurs. Adult specimens could reach up to six meters in length and weigh close to a ton. Its main features were a horn over its