Dolabrifera is a genus of sea hares, a taxonomic group of sea slugs or marine opisthobranch gastropod mollusks belonging to the family Aplysiidae.
Limacina is a genus of swimming predatory sea snails commonly known as sea butterflies in the family Limacinidae. This genus contains some of the world's most abundant gastropod species.
Cymbuliidae is a family of pelagic sea snails or "sea butterflies", marine gastropod mollusks in the superfamily Cymbulioidea.
The Clionidae are a family of sea angels, which are a group of pelagic marine gastropods.
Atlanta is a genus of pelagic marine gastropod molluscs in the family Atlantidae. They are sometimes called heteropods.
Trimusculus is a genus of medium-sized air-breathing sea snails or false limpets, marine pulmonate gastropod molluscs in the family Trimusculidae.
The Vermetidae, the worm snails or worm shells, are a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of species in the family Vermetidae are extremely irregular, and do not resemble the average snail shell, hence the common name "worm shells" or "worm snails".
Boonea is a small genus of small sea snails, pyramidellid gastropod mollusks.
Egila is a genus of small sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Solariellidae is a family of small sea snails, marine gastropod mollusks in the superfamily Trochoidea.
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda.
Crepidula, commonly known as the slipper snails, slipper limpets, or slipper shells, is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae. This family includes the slipper snails (Crepidula), hat snails (Calyptraea), spiny slipper snails (Bostrycapulus), and cup-and-saucer snails (Crucibulum) as well as Crepipatella, Siphopatella, Grandicrepidula, and Maoricrypta.
Heleobia is a genus of small freshwater and brackish water snails with a gill and an operculum, aquatic gastropod mollusks in the family Cochliopidae and the superfamily Truncatelloidea.
Thermia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae.
Tjaernoeia is a genus of sea snails, marine gastropod mollusks in the informal group Lower Heterobranchia.
Staphylaea is a genus of sea snails, marine gastropod mollusks in the family Cypraeidae, the cowries.
Ebala is a genus of sea snails, marine gastropod mollusks in the subfamily Ebalinae, family Murchisonellidae.
Aeolidia is a genus of sea slugs, aeolid nudibranchs, marine gastropod mollusks in the family Aeolidiidae.
Toledonia is a genus of sea snails, marine gastropod molluscs in the family Cylichnidae.
Lomanotus is a genus of sea slugs, marine gastropod mollusks in the family Lomanotidae.
