Customize your Medscape account with the health plans you accept, so that the information you need is saved and ready every time you look up a drug on our site or in the Medscape app. Easily compare tier status for drugs in the same class when considering an alternative drug for your patient.
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.
Slugs and Snails (Molluscs). Molluscs are soft-bodied invertebrates without internal skeletons, although most of them have shells that support and protect their bodies. The group is made up of bivalves (clams and mussels) and gastropods (snails and slugs).