Lida Xing/NatureThe tiny dinosaur known as Oculudentavis ... are stacked with razor-sharp teeth and, in fact, contain the most teeth ever found in an ancient bird. “There’s over 100 teeth ...

Theropods are a highly diverse group of bipedal, mostly carnivorous dinosaurs that include giant predators like Tyrannosaurus rex as well as the small ancestors of modern birds. The fossil teeth ...

After cleaning and restoration in 2020 ... for its distinctive duck-billed mouth structure. These dinosaurs had thousands of teeth well arranged within their jaws, enabling them to exhibit ...