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The carnivorous snails have tongues that are covered with thousands of tiny teeth to tear apart food. The gastropod fossils from Jacksboro, TX shown below are from the Pennsylvanian, Finis formation, and these gastropods lived about 300 million years ago.
Characteristics of Snails Snails can be found in gardens, in ponds and even in the sea. They belong to a group of animals with a soft body called molluscs (mollusks) which are related to oysters, clams, and other shellfish. Characteristically they have soft, unsegmented bodies.Normally, their soft bodies are protected by a hard shell. The scientific name for the garden snail is Helix aspersa.hey belong to a group of animals with a soft body called molluscs (mollusks) which are related to oysters, clams, and other shellfish. Characteristically they have soft, unsegmented bodies. Normally, their soft bodies are protected by a hard shell. The scientific name for the garden snail is Helix aspersa.