Diplommatinidae is a

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

of small

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

s, also known as staircase snails, with an operculum,

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the superfamily

Cyclophoroidea Cyclophoroidea is a superfamily of land snails with an operculum, terrestrial gastropods within the informal group Architaenioglossa, that belongs to the clade Caenogastropoda.Bouchet, P.; Rosenberg, G.; Gofas, S. (2015). Cyclophoroidea Gray, ...

. The Cochlostomatinae Kobelt, 1902, were previously considered a subfamily of the Diplommatinidae, but are now known to be a separate family.

Genera

Genera included within the Diplommatinidae include: * ''

Adelopoma ''Adelopoma'' is a genus of land snails that have an operculum and a gill, terrestrial gastropod mollusks in the family Diplommatinidae Diplommatinidae is a family of small land snails, also known as staircase snails, with an operculum, t ...

'' Doering, 1885 * ''

Arinia ''Arinia'' is a genus of small land snails with an operculum, terrestrial gastropod mollusks in the family Diplommatinidae Diplommatinidae is a family of small land snails, also known as staircase snails, with an operculum, terrestrial gas ...

'' H. Adams & A. Adams, 1856 * '' Benigoma'' Kuroda, 1928 * '' Cardiostoma'' F. Sandberger, 1870 † * '' Clostophis'' Benson, 1860 * ''

Diancta ''Diancta'' is a genus of sea snails in the family Diplommatinidae Diplommatinidae is a family of small land snails, also known as staircase snails, with an operculum, terrestrial gastropod mollusks in the superfamily Cyclophoroidea. The ...

'' E. von Martens, 1864 * ''

Diplommatina ''Diplommatina'' is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Diplommatinidae.MolluscaBase (2018). Diplommatina Benson, 1849. Accessed through: World Register of Marine Species at: http://www.marine ...

'' Benson, 1849 * '' Eclogarinia'' Wenz, 1939 * '' Entypogyra'' Hrubesch, 1965 † * ''

Euthema ''Euthema'' is a fossil genus of minute land snails with an operculum, terrestrial gastropod molluscs in the family Diplommatinidae from the Cretaceous Burmese and Hkamti ambers. Species As of 2021, 8 species are placed into ''Euthema'': * ...

'' Yu, Wang & Pan, 2018 † * '' Fermepalaina'' Iredale, 1945 * '' Gastroptychia'' Kobelt & Möllendorff, 1900 * ''

Habeas ''Habeas corpus'' (; from Medieval Latin, ) is a Legal recourse, recourse in law through which a person can report an Arbitrary arrest and detention, unlawful detention or imprisonment to a court and request that the court order the custodi ...

'' Simone, 2013 * ''

Habeastrum ''Habeastrum'' is a genus of minute diplommatinid pulmonate gastropods, endemic to limestone caves in Mato Grosso do Sul, Brazil. It is represented by two sympatric species, '' Habeastrum omphalium'' and '' Habeastrum parafusum''. This genus ...

'' Simone, 2019 * '' Helicomorpha'' Möllendorff, 1890 * '' Hungerfordia'' Beddome, 1889 * '' Laotia'' Saurin, 1953 * '' Luzonocoptis'' Páll-Gergely & Hunyadi, 2017 * ''

Malarinia ''Malarinia'' is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Diplommatinidae Diplommatinidae is a family of small land snails, also known as staircase snails, with an operculum, terrestrial gastr ...

'' Haas, 1961 * '' Moussonia'' O. Semper, 1865 * '' Niahia'' Vermeulen, 1996 * '' Nicida'' W.T. Blanford, 1868 * '' Notharinia'' Vermeulen, Phung & Truong, 2007 * '' Occidentina'' Harzhauser & Neubauer, 2018 † * '' Opisthostoma'' W. T. Blanford & H. F. Blanford, 1860 * ''

Palaina ''Palaina'' is a genus of minute land snails with opercula, terrestrial gastropod mollusks or micromollusks in the family Diplommatinidae Diplommatinidae is a family of small land snails, also known as staircase snails, with an operculum, ...

'' O. Semper, 1865 * '' Palmatina'' Iredale, 1944 * '' Paradiancta'' Quadras & Möllendorff, 1895 * '' Plectostoma'' H. Adams, 1865 * '' Pseudonicida'' Hrubesch, 1965 † * '' Pugnellia'' Oppenheim, 1895 † * ''

Styx In Greek mythology, Styx (; grc, Στύξ ) is a river that forms the boundary between Earth (Gaia) and the Underworld. The rivers Acheron, Cocytus, Lethe, Phlegethon, and Styx all converge at the centre of the underworld on a great marsh, whic ...

'' Oppenheim, 1895 † * '' Velepalaina'' Iredale, 1937

References

Taxa named by Ludwig Karl Georg Pfeiffer {{Diplommatinidae-stub