Onchidiidae are a family of small, air-breathing sea slugs. They are shell-less marine pulmonate gastropod molluscs. Onchidiidae is the only family within the superfamily Onchidioidea.
Carelia turricula are an extinct species of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae and superfamily Cochlicopoidea.
Ptychotrema is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Enneinae of the family Streptaxidae.
Ryssota is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Chronidae.
Trissexodon is a monotypic genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Trissexodontinae of the family Trissexodontidae.
Streptaxidae is a family of carnivorous air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora. Six Streptaxidae subfamilies are accepted in the 2005 taxonomy of the Gastropoda by Bouchet & Rocroi.
Camaenidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea, the typical snails and their allies. This is one of the most diverse families in the clade Stylommatophora.
Ludwig Karl Georg Pfeiffer, also known as Louis Pfeiffer, was a German physician, botanist and conchologist.
Subulininae is a subfamily of small tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.
Truncatella subcylindrica is a species of small land snail that lives at the edge of the sea. It has gills and an operculum and is gastropod mollusk or micromollusk in the family Truncatellidae.
Perpolita petronella is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae.
Leptopoma perlucidum is a species of land snail with a gill and an operculum, a terrestrial gastropod mollusk in the family Cyclophoridae.
Plekocheilus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amphibulimidae.
Cochlostyla is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Camaenidae, subfamily Helicostylinae.
Euplecta is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Ariophantidae.
Tortulosa is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Pupinidae.
Gastrocoptidae is a family of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the superfamily Pupilloidea.
Chrysallis is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicostylinae of the family Camaenidae.
Chloraea is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicostylinae of the family Camaenidae.
Placocharis are a genus of very large, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the subfamily Placostylinae of the family Bothriembryontidae.
