in the ecosystems that now make up East Africa—especially in what is now Tanzania—complex ecological interactions developed between large herbivorous dinosaurs and their predators

Pteranodon fossils have been found primarily in North America

Approximate measurements of the Dodo:

showing that some of them looked more like modern birds

Tethyshadros insularis Brachiosaurus in the ecosystems that nowTethyshadros insularis is a species of hadrosaurid dinosaur that inhabited what is now Italy during the Late Cretaceous period, approximately 70 million years ago. It is known to be a dinosaur discovered on the island of Crete, which makes it an interesting case of insular speciation. Although the fossils found are fragmentary, it has been possible to reconstruct a general description of Tethyshadros insularis based on the remains found. It is