Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails, but also including some freshwater snails and land snails.
Helicinidae is a family of small tropical land snails which have an operculum. They are terrestrial operculate gastropod mollusks in the superfamily Helicinoidea.
Bothriembryon is a genus of tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Bothriembryontidae.
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.
Assimineidae is a family of minute snails, also known as palmleaf snails, with an operculum, gastropod mollusks or micromollusks in the superfamily Rissoidae. Many of these very small snails live in intermediate habitats, being amphibious between saltwater and land; others live in freshwater.
Diplommatinidae is a family of small land snails, also known as staircase snails, with an operculum, terrestrial gastropod mollusks in the superfamily Cyclophoroidea. The Cochlostomatinae Kobelt, 1902, were previously considered a subfamily of the Diplommatinidae, but are now known to be a separate family.
Cyclophoridae is a taxonomic family of small to large tropical land snails with an operculum, terrestrial gastropod mollusks in the order Architaenioglossa belonging to the subclass Caenogastropoda.
Cyclophoroidea is a superfamily of land snails with an operculum, terrestrial gastropods within the informal group Architaenioglossa, that belongs to the clade Caenogastropoda.
Enidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks.
Megalomastomatidae is a family of tropical land snails with an operculum, terrestrial gastropod mollusks in the superfamily Cyclophoroidea.
Neocyclotidae is a family of tropical land snails with gills and an operculum, terrestrial gastropod mollusks in the informal group Architaenioglossa belonging to the clade Caenogastropoda.
Punctidae, common name the "dot snails" or "pinhead snails", is a family of minute air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the informal group Sigmurethra.
Pupilloidea is a superfamily of small and very small air-breathing land snails, terrestrial gastropod mollusks in the infraorder Pupilloidei.
Plectopylidae is a taxonomic family of large air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Plectopyloidea.
Hemiplecta is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Ariophantinae of the family Ariophantidae.
Pollicaria, commonly known as the elephant pupinid snails, is a genus of land snails with a gill and an operculum. They are in the family Pupinidae, superfamily Cyclophoroidea.
Plectopylis is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Plectopylidae.
Pseudopomatias is a genus of land snails in the subfamily Pupinellinae of the family Pupinidae in the superfamily Cyclophoroidea.
