Reptile evolved from the creature called fish.
The first fishes that lived was Haikouichthys,size about 1 centimetres.
This first fish doesn't have backbone, but they feed of the carcass 6 feet giant Anomalocaris, giant shrimps.
The second was Cephalaspis, an armouredhead fish.
This fish had alot predator that was Btontoscorpio, Orthocone and Pterygotus.
They had sensor in its head that detected smallest wave in the water.
Its armoured head make it cannot to long swimming fast.
Then Hynerpeton , the first amphibian in Devonian periods.
Its predator was Hyneria a big fish in that time.
Then Petrolacosaurus exist,the first reptile.
