Diplocaulus is an extinct genus of Leponspondyl amphibian who lived in the early Permian period, 270 million years ago. They had a arrow-shaped head, suggesting that this might have served better to swim in the water by moving the water to the sides like a shark or that depredadrores could not swallow. They measured about one meter in length. The first specimen was discovered in 1877 by Edward Cope in Texas called "Bone Wars".
This prehistoric animal ate fish and insects, and lived near water because it was an amphibian and used water as a roast for her eggs.
It looks like the Gerrothorax, sharing certain characteristics suchas this head shape, somewhat more pronounced in the Diplocaulus and eyes in a higher position inthe head.