Turritellidae, common name the "tower shells" or "tower snails", is a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Sorbeoconcha.
The Capulidae, the cap snails or cap shells, are a taxonomic family of limpet-like sea snails, marine gastropod molluscs in the clade Littorinimorpha. Capulidae is the only family in the superfamily Capuloidea. According to taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Capulidae has no subfamilies.
Ampullinidae are a mostly extinct taxonomic family of deep-water sea snails, marine gastropod molluscs in the clade Caenogastropoda.
Hokkaidoconchidae, common name hokkaidoconchids, is an extinct family of deep-water sea snails, marine gastropod mollusks.
Trajanellidae is an extinct family of fossil sea snails, marine gastropod mollusks in the clade Caenogastropoda.
Turris is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.
Liotipoma wallisensis is a species of sea snail, a marine gastropod mollusk in the family Colloniidae.
Liotipoma is a genus of sea snails, marine gastropod mollusks in the family Colloniidae.
Cantrainea is a genus of sea snails, marine gastropod mollusks in the family Colloniidae.
Microgaza is a genus of sea snails, marine gastropod mollusks in the family Solariellidae.
Provanna is a genus of sea snails, marine gastropod mollusks in the family Provannidae.
Tympanotonos is a genus of snail living in brackish water, a gastropod mollusk in the family Potamididae.
†Pseudomelania is an extinct genus of fossil sea snails, marine gastropod mollusks in the family Pseudomelaniidae.
Ampullina is an extinct taxonomic genus of deep-water sea snails, marine gastropod molluscs in the clade Caenogastropoda. These sea snails were epifaunal grazers. They lived from the Middle Triassic period to the Lower Pliocene age.
Elmira is a genus of prehistoric snails, gastropod molluscs.
Archimediella is a genus of sea snails, marine gastropod mollusks in the family Turritellidae.
Spirocolpus is a genus of sea snails, marine gastropod mollusks in the family Turritellidae.
Pseudonoba is a genus of sea snails, marine gastropod mollusks in the family Iravadiidae.
Turris andersoni is an extinct species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.
Turris garoensis is an extinct species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.
