Gallimimus bullatus Scale:1:35 The Sinomegaceros pachyosteus became extinct

The Sinomegaceros pachyosteus became extinct during the late Pleistocene

probably used for display purposes or gender identification

fairly early in the evolutionary history of theropod dinosaurs

in what is now the western United States and Canada

a parrot beak and a large bone frill on its neck

Gallimimus bullatus Scale:1:35 The Sinomegaceros pachyosteus became extinctGallimimus bullatus was a theropod dinosaur that lived approximately 70 million years ago during the Late Cretaceous, in what is now Mongolia. It is classified within the Ornithomimidae family, known as "ostrich dinosaurs" due to its resemblance to modern birds and its adaptation to run at high speeds. This species was characterized by being a bipedal dinosaur with a light and slender body. It had a small head with a toothless jaw, like that of other