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.
The term snail is a common name applied to any gastropod mollusk who can retract into his shell. Thousands of species of snails live on land, in freshwater streams and ponds, and in saltwater bodies.They inhabit a range of regions including arid deserts and frigid sea depths.nails' shells protect them from predators and the elements, and different snails have different adaptations, depending upon the regions they inhabit.