This overview lists proposed changes in the taxonomy of gastropods at the family level and above. There have been many changes in the way various groups of snails and slugs are classified.
Live limpets in the intertidal zone in Cornwall, England.
The shell of an archaeogastropod from the Pliocene of Cyprus. A serpulid worm is attached.
Cochlodina laminata from the family Clausiliidae or door snails, a small land pulmonate which has a sinistral or left-handed shell, on the trunk of a tree, in woodland, England
A group of live Patella vulgata, true limpets (common name for Patellogastropoda), on a rock in Wales
Stylommatophora is an order of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon includes most land snails and slugs. Stylommatophorans lack an operculum, but s
Cornu aspersum (common garden snail)
Caucasotachea atrolabiata (Helicidae)
Helicella macedonica (Geomitridae)