Spinosaurus, giant claw Pteranodon Arctodus simus the largest member

Arctodus simus the largest member of terrestrial Carnivora

Helicoprion ("Spiral Saw") was a long-lived genus of shark-like cartilaginous fish that first arose in the oceans of the late Carboniferous 280 million years ago

and gastropod borings

and new discoveries are made frequently

Spinosaurus, giant claw Pteranodon Arctodus simus the largest memberSpinosaurus probably had over 70 straight conical teeth that lacked serrations. They also varied greatly in size and length. Most of the teeth found are under 3 inches long without the root. However, a few teeth up to 12 inches long including the root have been found. Spinosaurus was the biggest of all the carnivorous dinosaurs, larger than Tyrannosaurus and Giganotosaurus. It lived during part of the Cretaceous period, about 112 million to 97 million