“The sense of smell in early-diverging ceratopsians is more sensitive than in Protoceratops [a Late Cretaceous dinosaur in Asia] and late-diverging ceratopsids. “Early-diverging ceratopsians ...
Triceratops is a large, herbivorous dinosaur from the Late Cretaceous period (100.5-66 million years ago). It is recognizable by its three facial horns, the large frill at the back of its head and ...
Tyrannosaurs were a group of theropod dinosaurs known for their robust skulls, powerful jaws and reduced forelimbs. By the Late Cretaceous (roughly 100.5 million to 66 million years ago), they had ...
Ostrom’s early scientific work concerned the teeth and jaws of the duckbilled hadrosaurs and of horned dinosaurs like Triceratops, two important plant-eating groups of the Late Cretaceous.