Largest Marine Predator

The Eurypterids were among the largest and most fearsome marine predators of Paleozoic era. Some grew to be 10 feet long and had powerful pincers for seizing their prey. Because of their long tails and the spine like appendage at the tip, the eurypterids have been called sea scorpions.

Extinct Animals - Amazing facts

Eryops meaning "drawn-out face" because most of its skull was in front of its eyes is a genus of extinct, semi-aquatic amphibian that lived in swamps during the Permian period. This meat-eater had a stout body with very wide ribs, a strong spine, four short, strong legs, a short tail, and a wide, elongated skull with many sharp teeth in strong jaws. Eryops averaged a little over 1.5-2.0 meters (5-6 ft) long, making it one of the largest land animals of its time. It weighed about 90 kilograms