Similarities in the jaws ofDilophosaurusand known fish-eaters such as the dinosaurSpinosaurusand living crocodilians have led some paleontologists to suggestDilophosauruswas a fish-eater. What dinosaurs did Dilophosaurus live with? The Kayenta Formation in whichDilophosauruswas found also contains the remain...
that galloping herd ofGallimimusin "Jurassic Park" was impressive, as was that rampagingSpinosauruson the long-since-canceled TV series "Terra Nova." But the fact is that we know virtually
the semi-aquaticSpinosaurusis the longest. The dinosaur was found in North Africa in about the same period as Giganotosaurus. This theropod was estimated to grow over 46 feet in
“Because dinosaur mandibles are actually built so much like living reptiles, we can use the anatomy of living reptiles to inform how we construct our mandible models,” said Fortner. “In turn, the discoveries we make about T. rex’s mandible can provide more clarity on the diversity of f...
like it is in snakes and monitor lizards, helping carnivorous dinosaurs to keep struggling prey in their jaws. However, it has been unclear whether the jaws were flexible at all, or how they could be strong enough to bite through and ingest bone, which Tyrannosaurus did regularly, ac...