Olive snails, also known as olive shells and olives, scientific name Olividae, are a taxonomic family of medium to large predatory sea snails with smooth, shiny, elongated oval-shaped shells.
Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.
Xenophoridae, commonly called carrier shells, is a family of medium-sized to large sea snails, marine gastropod mollusks in the clade Littorinimorpha.
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda.
Cylichnidae, common name the "chalice bubble snails" or "canoe bubble snails" is a family of sea snails or bubble snails, marine gastropod mollusks in the superfamily Cylichnoidea.
Olivoidea is a taxonomic superfamily of minute to medium-large predatory sea snails, marine gastropod mollusks in the order Neogastropoda.
Costellariidae sometimes called the "ribbed miters" is a taxonomic family of minute to medium-sized predatory sea snails, marine gastropod mollusks. This family of snails is also sometimes referred to as Vexillum miters. The main family of miter shells however is Mitridae, a closely related group.
Strepsiduridae is a taxonomic family of predatory sea snails, marine gastropod mollusks in the superfamily Muricoidea, but its position is doubtful.
Vanikoridae is a family of minute to medium-sized sea snails, marine gastropod molluscs in the superfamily Vanikoroidea.
Velutinidae is a family of small sea snails, marine gastropod molluscs in the clade Littorinimorpha.
Coralliophilinae is a taxonomic group, a subfamily of about 200–250 sea snails, marine gastropod mollusks commonly known as the coral snails or coral shells. This is a subfamily within the very large family Muricidae, the murex or rock snails.
Pupinella is a genus of land snails in the superfamily Cyclophoroidea.
Eburna is a genus of sea snails, marine gastropod mollusks in the family Ancillariidae.
Macron is a genus of sea snails, marine gastropod mollusks unassigned in the superfamily Buccinoidea.
Pseudoliva is a genus of sea snails, marine gastropod mollusks in the family Pseudolividae.
Obtortionidae is a family of sea snails, marine gastropod molluscs in the superfamily Cerithioidea, that is within the clade Cerithimorpha or in clade Sorbeoconcha.
Amathina is a genus of small sea snails, marine heterobranch gastropod molluscs or micromolluscs in the family Amathinidae.
Tegulidae is a family of small to large sea snails, marine gastropod mollusks in the superfamily Trochoidea.
The Ancillariidae is a taxonomic family of sea snails, marine gastropod molluscs in the superfamily Olivoidea. They are gastropods, which belong to the larger group of mollusks. This family is part of the superfamily Cypraeoidea, which includes cowries, a well-known group of sea snails.
Turbinelloidea is a superfamily of sea snails in the order Neogastropoda. It comprises the following families:
