dinosaur that has a maximum size of about six meters long. They were discovered by Sam Welles, and their name means "two-crested lizard." Their front teeth can't bring down live prey, so they probably ate dead animal bodies. The Dilophosaurus has been in different movies and books in popular culture, such as the movie Jurassic Park, the novel Jurassic Park, and the novel Carnosaur. They have been in much more movies, books, and etc.