Spinosaurus may be the larges Theropod to ever stalk the Prehistoric Americas and believed to be even larger than T-Rex. Recently (late it was determined to be the first and only known aquatic dinosaur.
Placerias is an extinct genus of dicynodonts that lived during the late Carnian age of the Triassic Period million years ago). It was one of the largest herbivores in the Late Triassic, measuring up to metres ft) long and weighing up to a tonne.
"The Irish Deer or Giant Deer was a species of Megaloceros and one of the largest deer that ever lived. Its range extended across Eurasia, from Ireland to east of Lake Baikal, during the Late Pleistocene.
Fossilized Dinosaur Bones give evidence that these giants at one time roamed this earth - -Postcard of preparator Adam Hermann with Diplodocus, Apatosaurus and Allosaurus hind limbs at the American Museum of Natural History.
NORMAN, OKLAHOMA PENTACERATOPS SKULL: SAM NOBLE MUSEUM OF NATURAL HISTORY The largest land animal skull ever discovered MUSEUMS AND COLLECTIONS, NATURAL HISTORY!!!!!