Gastropod Platyostoma Large

This ancient fossilized  Large Gastropod Platyostoma is related to living gastropods of today like snails. It comes from the Silurian Period and is about 424 million years old. These fossil gastropods were found in Shelby County, Indiana. They are about 1.5 inchs long. Gastropods can be carnivorous (meat-eaters) or herbivorous (plant eaters). Their tongue is covered with thousands of tiny teeth to tear apart food.