Planorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells.
Cochlicopa, whose species are known as pillar snails, is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Cochlicopidae.
Helicella is a genus of small to medium-sized, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae, the hairy snails and their allies.
Iberus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicinae of the family Helicidae.
Pleurodonte is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Pleurodontinae of the family Pleurodontidae.
Theba is a taxonomic genus of air-breathing land snails, medium-sized pulmonate gastropod mollusks in the family Helicidae, the true snails.
Cochlicella is a genus of small, narrow-shelled, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae, previously placed in the Helicidae, Cochlicellidae or Hygromiidae.
Helicodonta obvoluta is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicodontidae.
Marmorana serpentina is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicidae.
Helicigona is a genus of medium-sized, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Ariantinae of the family Helicidae, the typical snails.
Papillifera is a genus of air-breathing land snail with a clausilium, a terrestrial pulmonate gastropod mollusc in the subfamily Alopiinae of the family Clausiliidae, the door snails.
Helicodonta, common name the "cheese snail", is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the subfamily Helicodontinae of the family Helicodontidae.
Polydontes is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the subfamily Polydontinae of the family Sagdidae.
Marmorana is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helicidae.
Lucerna is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Lucerninae of the family Pleurodontidae.
Macularia is a genus of air-breathing land snails, a pulmonate gastropod in the subfamily Helicinae of the family Helicidae, the typical snails.
