| back |
| All orders have been
arranged alphabetically, as well as the families inside these orders. |
| Anaspidea -Aplysiidae - Sea Hares |
| Architaenioglossa -Cyclophoridae -Diplommatinidae -Neocyclotidae |
| Bassomatophora -Lymnaeidae - Pond Snails -Physidae - Bladder Snails -Planorbidae - Ramshorn Snails |
| Heterostropha -Valvatidae - Valve Snails  |
| Mesogastropoda -Pomatiidae - Operculate Snails |
| Neritopsina -Helicinidae |
| Patellogastropoda - True Limpets -Lottiidae - True Limpets |
| Sorbeoconcha -Assimineidae -Hydrobiidae - Snouted Snails -Lithoglyphidae -Littorinidae - Periwinkles -Pleuroceridae -Pomatiopsidae -Potamididae |
| Stylommatophora -Achatinellidae - Tree-Snails -Amastridae - Hawaii Snails -Ariophantidae -Camaenidae -Cecilioididae - Ground-Snails -Cerastuidae -Charopidae -Endodontidae - Disc Snails -Enidae -Euconulidae -Gastrodontidae - Dagger Snails -Helicarionidae -Helminthoglyptidae -Hygromiidae - Hairy Snails -Lauriidae -Oleacinidae - Predatory Snails -Oreohelicidae - Mountain Snails -Orthalicidae -Partulidae - Partulid Tree-Snails -Pleurodontidae -Polygyridae -Punctidae - Dot Snails -Pupillidae - Pupa Snails -Streptaxidae -Strophocheilidae -Subulinidae - Awl Snails -Vertiginidae - Whorl Snails -Zonitidae - Glossy Snails |