Tyrannosaurus rex, premax tooth with root Pteranodon Batteries of peg-like teeth enabled

Batteries of peg-like teeth enabled Lepidotes to crush the shells of its Mollusca prey

They are found singularly or in large groupings

Mixopterus is the most scorpion-like of the Eurypterids

wide and flat claws and feet (possibly used in paddling)

the females were smaller than the males

Tyrannosaurus rex, premax tooth with root Pteranodon Batteries of peg-like teeth enabledTyrannosaurus (pronounced tye RAN oh SAW recks) The tyrannosaurus (meaning "tyrant lizard") was a meat eating dinosaurs (theropods) with two fingered hands, small arms, a large head, sharp teeth, and lond, powerful hind legs. They lived during the late Cretaceous period. Other tyrannosaurids included Albertosaurus, Alectrosaurus, Alioramus, Chingkankousaurus, Daspletosaurus, Gorgosaurus, Nanotyrannus, Prodeinodon, Tarbosaurus, and T. rex. Shipping