Marginellidae, or the margin shells, are a taxonomic family of small, often colorful, sea snails, marine gastropod molluscs in the clade Neogastropoda.
Triphoridae is a family of very small sea snails, marine gastropod molluscs in the informal group Ptenoglossa, within the clade Hypsogastropoda. Almost all the species in this family are micromollusks and almost all are left-handed in shell-coiling.
Tornidae is a family of very small and minute sea snails with an operculum, marine gastropod mollusks in the clade Littorinimorpha. This family used to be known as the Vitrinellidae. Iredale has shown that the family Adeorbidae Monterosato, 1884 should be called Tornidae
Chrysallida is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.
Liotella is a genus of minute sea snails or micromolluscs, marine gastropod molluscs in the family Skeneidae.
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda.
Parthenina is a genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks.
Zebina is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Zebinidae.
Marginellinae is a taxonomic subfamily within the larger family of Marginellidae, a group of small sea snails, marine gastropod molluscs in the superfamily Volutoidea.
The Skeneidae are a speciose family of minute to small marine gastropod molluscs in the superfamily Trochoidea.
Monophorus is a genus of minute sea snails with left-handed shell-coiling, marine gastropod mollusks or micromollusks in the family Triphoridae.
Inella is a genus of minute sea snails with left-handed shell-coiling, marine gastropod molluscs in the family Triphoridae.
Megastomia is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.
Maoritomella is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae.
Antiguraleus is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Circlotoma is a genus of sea snails, marine gastropod mollusks in the family Tornidae within the superfamily Truncatelloidea.
Curveulima is a major genus of medium-sized sea snails, marine gastropod mollusks in the family Eulimidae.
Eulitoma is a genus of sea snails, marine gastropod mollusks in the family Eulimidae.
Hemiliostraca is a genus of sea snails, marine gastropod mollusks in the family Eulimidae.
Pseudoliotia is a genus of sea snails, marine gastropod mollusks in the family Tornidae within the superfamily Truncatelloidea.
