Below the nostril in the upper jaw was a “subnarial gap” – a kink in the jaw bone forming a gap between the front and back teeth. This is also seen inSpinosaurus. To some paleontologists, the presence of a subnarial gap is evidence that Dilophosaurus, likeSpinosaurus, was a fish-e...
“We are modeling dinosaur jaws in a way that simply has not been done before,” said Fortner. “We are the first to generate a 3D model of a dinosaur mandible which incorporates not only an intramandibular joint, but also simulates the soft tissues within and around the jaw.” To deter...