Sea Scorpions: Terrifying Predators of the Paleozoic
Photo courtesy of wikipedia https://commons.wikimedia.org/wiki/File:Eurypterus_Paleoart.jpg Eurypterids: you may never have heard of them, but you will come to fear them. They appear in the fossil record during the Ordivician Period, over 400 million years ago, and finally went extinct about 250 million years ago during the Great Permian Extinction. Because of their appearance, Eurypterids […]