Polacanthus had a large and robust body

además de otros depredadores más pequeños

These giant arthropods inhabited the extensive humid forests that characterized the Earth during the Carboniferous period

and although its exact diet is unknown

Like other pterosaurs

Dilophosaurus Carnotaurus sastrei Polacanthus had a large andDilophosaurus (D. wetherilli, "Two crested lizard") is a genus of coelophysid theropod dinosaur that lived during the Sinemurian and Pliensbachian Age of the Early Jurassic, approximately 193 to 183 million years ago. The Dilophosaurus was a medium sized bipedal predator, with a length of about 6 7 meters in length and a weight of around 400 kilograms, and the findings suggest that it could hunt in groups. Dilophosaurus had a distinctive skull with