Height 57mm

with a taut skin membrane that stretched from the arm and finger bones to the wing bones

with a length of about 6-7 meters in length and a weight of around 400 kilograms

The Hesperornis

Presentaba una cabeza relativamente pequeña en comparación con los ceratopsianos más grandes que evolucionaron más tarde

Gallimimus bullatus Sauropoda Height 57mmGallimimus 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