Ringiculidae

Ringiculidae are a family of small deep water sea snails, marine gastropod mollusks or micromollusks in the informal group Lower Heterobranchia.^[1]

Ringiculidae
a live Ringicula doliaris
Ringicula acuta shells
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Infraclass:	Euthyneura
Subterclass:	Ringipleura
Superorder:	Ringiculimorpha
Superfamily:	Ringiculoidea Philippi, 1853
Family:	Ringiculidae Philippi, 1853

Ringiculidae is the only family within the superfamily Ringiculoidea.

The shells of species in this family superficially resemble minute versions of the shells of the Cassinae.

Genera

Genera in the family Ringiculidae include:^[2][3]

• Genus † Avellana d'Orbigny, 1842
• Genus Microglyphis Dall, 1902
• Genus Pseudoringicula Lin, 1980
• Genus Ringicula Deshayes, 1838
• Genus Ringiculoides Minichev, 1966
• Genus Ringiculopsis Chavan, 1947
• Genus Ringiculospongia Sacco, 1892

Genera brought into synonymy

• Hyporingicula Habe, 1952: synonym of Microglyphis Dall, 1902
• Plicatra F. Nordsieck, 1972: synonym of Ringicula Deshayes, 1838
• Ringactaeon F. Nordsieck, 1972: synonym of Ringicula Deshayes, 1838
• Ringiculadda Iredale, 1936: synonym of Ringiculina Monterosato, 1884: synonym of Ringicula (Ringiculina) Monterosato, 1884 represented as Ringicula Deshayes, 1838
• Ringiculina Monterosato, 1884: synonym of Ringicula Deshayes, 1838