#Paleontologist cut ;-) Prosaurolophus lived around 75 mya in the Late Cretaceous of Alberta. Up to 30’ long and 4 tons, this “before lizard crest” is typical hadrosaur with dental batteries, hundreds of teeth packed against one another with no gaps, big hind legs and sizeable forelimbs and tail. Saurolophus is popular, it gets a ‘Pro’ and a ‘Para’ named after it, too :-). These were not defenseless animals, with adults having the ability to deliver bone breaking kicks and tail smashes. Young pr

Evolution arthropleura