Tyrannosaurus rex stood upright on its hind legs and had a long

with a dense bone structure and robust limbs

Length 278 mm

approximately 49-48 million years ago

84 to 66 million years ago in what is now Argentina

Zuul crurivastator Monolophosaurus Tyrannosaurus rex stood upright onZuul crurivastator is a herbivorous ankylosaurine dinosaur from the Campanian stage of the Late Cretaceous (approximately 76. 275. 2 million years ago) that has provided valuable morphological and paleoecological data thanks to an exceptionally complete specimen recently described. It was found in the Judith River Formation in northern Montana (USA), and its extraordinary preservation includes a complete skull, caudal club, osteoderms in situ, keratin