Geomitridae is a

taxonomic Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...

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 to medium-sized air-breathing

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 ...

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 ...

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

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

Helicoidea Helicoidea is a taxonomic superfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora. Taxonomy 2005 taxonomy There are 19 families within the superfamily Helicoidea according to the ta ...

.MolluscaBase eds. (2021). MolluscaBase. Geomitridae C.R. Boettger, 1909. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=994707 on 2021-02-01

Anatomy

The family is characterized by the presence of a free right ommatophoral retractor (passing outside the peni-oviducal angle) and a double stimulatory apparatus. A free right ommatophoral retractor has been linked to adaptation to

xeric Deserts and xeric shrublands are a biome defined by the World Wide Fund for Nature. Deserts and xeric (ancient Greek xērós, “dry") shrublands form the largest terrestrial biome, covering 19% of Earth's land surface area. Ecoregions in this h ...

habitats

Taxonomy

The family Geomitridae is subdivided in the following subfamilies (according to Razkin ''et al.'', 2015) *Subfamily Geomitrinae ** tribe Cochlicellini Schileyko, 1972 ** tribe Geomitrini C. Boettger, 1909 - synonym: Ochthephilinae Zilch, 1960 (n.a.) ** tribe Ponentinini Razkin ''et al.'', 2015 *Subfamily Helicellinae ** tribe Cernuellini Schileyko, 1991 ** tribe Helicellini Ihering, 1909 - synonym: Jacostidae Pilsbry, 1948 (inv.) ** tribe Helicopsini H. Nordsieck, 1987 ** tribe Plentuisini Razkin ''et al.'', 2015 ** tribe Trochoideini H. Nordsieck, 1987

Genera

Genera with the family Geomitridae include: Not belonging to a subfamily: * '' Keraea'' Gude, 1911 * '' Peridotitea'' Torres Alba, Holyoak, D. T., Holyoak, G. A., Vázquez Toro & Ripoll, 2018 *Subfamily Geomitrinae * tribe Cochlicellini ** ''

Cochlicella ''Cochlicella'' is a genus of small, narrow-shelled, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae, previously placed in the Helicidae, Cochlicellidae or Hygromiidae. This genus has not yet be ...

'' Férussac, 1821 ** '' Monilearia'' Mousson, 1872 ** ''

Obelus An obelus (plural: obeluses or obeli) is a term in typography that refers to a historical mark which has resolved to three modern meanings: * Division sign * Dagger * Commercial minus sign (limited geographical area of use) The word "obelus ...

'' W. Hartmann, 1842 ** '' Ripkeniella'' Hutterer & E. Gittenberger, 1998 * tribe Geomitrini ** '' Actinella'' R. T. Lowe, 1852 ** '' Callina'' R. T. Lowe, 1855 ** '' Caseolus'' R. T. Lowe, 1852"Geomitrini"
Fauna Europaea, last update 27 January 2011, accessed 4 August 2011. ** ''

Discula ''Discula'' is a genus of small land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae. Shell description The shell of these snails is shaped rather like a discus, or a lens, with a sharp edge around the periphery of t ...

'' R. T. Lowe, 1852 ** ''

Disculella ''Disculella'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae Geomitridae is a taxonomic family of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropod ...

'' Pilsbry, 1895 ** '' Domunculifex'' Brozzo, De Mattia, Harl & Neiber, 2020 ** ''

Geomitra ''Geomitra'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae. Species Species within the genus ''Geomitra'' include: * '' Geomitra delphinuloides'' (R.T. Lowe, 1860) * '' Geomitra gra ...

'' Swainson, 1840 ** '' Helicomela'' R. T. Lowe, 1855 ** ''Heterostoma'' W. Hartmann, 1843: synonym of '' Steenbergia'' Mandahl-Barth, 1950 (invalid: junior homonym of ''Heterostoma'' de Filippi, 1837 latyhelminthes ** '' Hystricella'' R. T. Lowe, 1855 ** '' Lemniscia'' R. T. Lowe, 1855 ** '' Moreletina'' de Frias Martins, 2002 ** '' Plebecula'' R. T. Lowe, 1852 ** '' Pseudocampylaea'' L. Pfeiffer, 1877 ** '' Serratorotula'' Groh & Hemmen, 1986 ** '' Spirorbula'' R. T. Lowe, 1852 ** '' Steenbergia'' Mandahl-Barth, 1950 ** '' Testudodiscula'' Brozzo, De Mattia, Harl & Neiber, 2020 ** '' Wollastonaria'' De Mattia, Neiber & Groh, 2018 * tribe Ponentinini ** '' Ponentina'' P. Hesse, 1921 subfamily Helicellinae * tribe Cernuellini ** '' Alteniella'' Clerx & Gittenberger, 1977 ** ''

Cernuella ''Cernuella'' is a genus of small air-breathing land snails, pulmonate gastropod mollusks in the family Geomitridae, the hairy snails and their allies. MolluscaBase eds. (2020). MolluscaBase. Cernuella Schlüter, 1838. Accessed through: World Reg ...

'' Schlüter, 1838 ** ''

Microxeromagna ''Microxeromagna'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae. The genus is distributed along the Mediterranean basin, from the Italian Pen ...

'' Ortiz de Zárate López, 1950 ** '' Xeroplana'' Monterosato, 1892 ** '' Xerosecta'' Monterosato, 1892 * tribe Helicellini **''

Backeljaia ''Backeljaia'' is a genus of small to medium-sized, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae Geomitridae is a Taxonomy (biology), taxonomic Family (biology), family of small to medium-siz ...

'' Chueca ''et al''., 2018 **''

Candidula ''Candidula'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae, . MolluscaBase eds. (2020). MolluscaBase. Candidula Kobelt, 1871. Accessed through: World Register of Marine Species at ...

'' Kobelt, 1871 ** ''

Helicella ''Helicella'' is a genus of small to medium-sized, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae, the hairy snails and their allies. MolluscaBase eds. (2021). Mollusc ...

'' Férussac, 1821 ** ''

Orexana ''Orexana'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae. It is distributed along west coast of Morocco and Canary Islands. Species Species within the genus ''Orexana'' i ...

'' Chueca ''et al''., 2018 ** '' Xerogyra'' Monterosato, 1892 ** '' Xeroleuca'' Kobelt, 1877 ** ''

Xeroplexa ''Xeroplexa'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae, the hairy snails and their allies. MolluscaBase eds. (2022). MolluscaBase. Xeroplex ...

'' Monterosato, 1892 ** ''

Xerotricha ''Xerotricha'' is a genus of small air-breathing land snails, a terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae Geomitridae is a Taxonomy (biology), taxonomic Family (biology), family of smal ...

'' Monterosato, 1892 ** ''

Zarateana ''Zarateana'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae, the hairy snails and their allies. MolluscaBase eds. (2022). MolluscaBase. Zarateana Chueca, Gómez-Moliner, Madeir ...

'' Chueca ''et al''., 2018 * tribe Helicopsini H. Nordsieck, 1987 ** ''

Helicopsis ''Helicopsis'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae. MolluscaBase eds. (2022). MolluscaBase. Helicopsis Fitzinger, 1833. Accessed through: ...

'' Fitzinger, 1833 ** '' Pseudoxerophila'' Westerlund, 1879 ** ''

Xerolenta ''Xerolenta'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Geomitridae Geomitridae is a Taxonomy (biology), taxonomic Family (biology), family of small to medium-sized air-breathing land sna ...

'' Monterosato, 1892 ** '' Xeromunda'' Monterosato, 1892 ** '' Xeropicta'' Monterosato, 1892 * tribe Plentuisini ** '' Plentuisa'' Puente & Prieto, 1992 * tribe Trochoideini ** '' Trochoidea'' T. Brown, 1827 ** ''

Xerocrassa ''Xerocrassa'' is a genus of small, air-breathing land snails, Terrestrial animal, terrestrial pulmonate gastropod molluscs in the family (biology), family Geomitridae. MolluscaBase eds. (2022). MolluscaBase. Xerocrassa Monterosato, 1892. Accesse ...

'' Monterosato, 1892

References

* Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1-526

External links

* https://liferecovernatura.madeira.gov.pt
Razkin, O., Gómez-Moliner, B. J., Prieto, C. E., Martínez-Ortí, A., Arrébola, J. R., Muñoz, B., Chueca, L. J. & Madeira, M. J. (2015). Molecular phylogeny of the western Palaearctic Helicoidea (Gastropoda, Stylommatophora). Molecular Phylogenetics and Evolution. 83: 99-117
Helicoidea {{Geomitridae-stub