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Geomitridae
Geomitridae is a taxonomic family of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.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 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 ...
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Xerocrassa
''Xerocrassa'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Geomitridae. MolluscaBase eds. (2022). MolluscaBase. Xerocrassa Monterosato, 1892. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996348 on 2022-08-06 Some species of ''Xerocrassa'' are instead considered to belong to the ''subgenus'' ''Xerocrassa'', within the genus '' Trochoidea''; in those cases the species are listed under the generic name ''Trochoidea''. However, for other authors both taxa are not closely related being different genera. Taxonomy The genus ''Xerocrassa'' is divided in 3 subgenera: * ''Xerocrassa (Amandana)'' Fagot, 1891 * ''Xerocrassa (Xeroclausa)'' Monterosato, 1892 * ''Xerocrassa (Xerocrassa)'' Monterosato, 1892 Species Species in the genus ''Xerocrassa'': * '' Xerocrassa amphiconus'' (Maltzan, 1883) * '' Xerocrassa arturi'' (Haas, 1924) * '' Xerocrassa barcelo ...
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Cernuellopsis
''Cernuellopsis'' is a genus of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Geomitridae. It contains a single species, ''Cernuellopsis ghisottii''. This species is endemic to the Italian Peninsula. The species epithet ''ghisottii'' refers to Dr. Fernando Ghisottii, former president of the Società Italiana di Malacologia, to whom the species was dedicated. Distribution ''Cernuellopsis ghisottii'' is endemic to the Italian Peninsula. Only few populations are known from the central and south Apennines between 1500 and 2100 m. The species inhabits rocky areas (i.g. inland cliffs, mountain peaks) and grasslands. The type locality is Calabria, Mt. Pollino, Passo del Colle del Dragone (Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ... ...
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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. Xeroplexa Monterosato, 1892. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=999573 on 2022-07-30 ''Xeroplexa'' species were within genus '' Candidula'' until a molecular phylogeny revealed the polyphyly of '' Candidula'', and the genus ''Xeroplexa'' Monterosato, 1892 was recovered. Distribution The genus is mainly distributed along western Iberian Peninsula, although ''X. intersecta'' spreads from northern Iberian Peninsula to central Europe and British Islands. Species Species within the genus ''Xeroplexa'' include: * ''Xeroplexa arrabidensis'' (Holyoak & Holyoak, 2014) * ''Xeroplexa belemensis'' (Servain, 1880) * ''Xeroplexa carrapateirensis'' (Holyoak & Holyoak, 2014) * ...
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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 The Canary Islands (; es, Canarias, ), also known informally as the Canaries, are a Spanish autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to the African mainland, they are west of Mo .... Species Species within the genus ''Orexana'' include: * '' Orexana ultima'' ( Mousson, 1872) References Geomitridae {{Geomitridae-stub ...
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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 Peninsula to Middle east. Species The genus ''Microxeromagna'' is monospecific: * ''Microxeromagna lowei'' (Potiez & Michaud, 1838) ;Synonyms: * ''Microxeromagna armillata'' (R. T. Lowe, 1852): synonym of Microxeromagna lowei ''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 Pe ... (Potiez & Michaud, 1838) (junior synonym) References Gastropod genera Geomitridae {{Geomitridae-stub ...
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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 grabhami'' (Wollaston, 1878) * '' Geomitra moniziana'' (Paiva, 1867) - Madeiran land snail * ''Geomitra tiarella'' (Webb & Berthelot, 1833) * ''Geomitra coronula'' (R.T. Lowe, 1852) * ''Geomitra watsoni'' (J.Y. Johnson, 1897) synonyms: * ''Geomitra coronata'' (Deshayes, 1850) is a synonym for ''Serratorotula coronata ''Serratorotula coronata'' is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusks in the family Geomitridae, the hairy snails and their allies. This species is endemic to Porto Santo Island, Madeira, Portugal. Its ...'' (Deshayes, 1850) References Geomitridae Taxonomy articles created by Polbot {{Geomitridae-stub ...
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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: http://www.marinespecies.org/aphia.php?p=taxdetails&id=426353 on 2020-07-25 the hairy snails and their allies. The genus is characterized by the presence of a big dart sac, a sac containing an arrow-like structure found on a land snail's reproductive organs. Species Species within the genus ''Candidula s.l.'' include:Welter Schultes F.(2009)"Genus summary for ''Candidula''" AnimalBase, Accessed 14 November 2014. * ''Candidula candidescens'' A. J. Wagner, 1928 (taxon inquirendum) * ''Candidula castriota'' Soós, 1924 * ''Candidula cavannae'' (Paulucci, 1881) * ''Candidula codia'' (Bourguignat, 1859) * ''Candidula eustricta'' (Bourguignat, 1863) * ''Candidula lernaea'' Hausdorf, 1991 * ''Candidula rhabdotoides'' (Wagner, 1928) * ''Cand ...
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Backeljaia
''Backeljaia'' is a genus of small to medium-sized, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae,MolluscaBase (2019). MolluscaBase. Backeljaia Chueca, Gómez-Moliner, Madeira & Pfenninger, 2018. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1308878 on 2019-10-27 the hairy snails and their allies. Species Species within the genus ''Backeljaia'' include: * ''Backeljaia camporroblensis'' (Fez, 1944) * ''Backeljaia corbellai'' (Martínez-Ortí, 2011) * ''Backeljaia gigaxii'' (L. Pfeiffer, 1847) * ''Backeljaia najerensis ''Backeljaia najerensis'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Geomitridae Geomitridae is a Taxonomy (biology), taxonomic Family (biology), family of small to medium-sized air-bre ...'' (Ortiz de Zárate y López, 1950) References External links Chueca, L. J., Gómez-Moliner, B. J., ...
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Xerolenta
''Xerolenta'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Geomitridae, the harry snails and their allies. MolluscaBase eds. (2022). MolluscaBase. Xerolenta Monterosato, 1892. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996344 on 2022-08-03 Species Species in the genus ''Xerolenta'' include:''Species in genus Xerolenta ''
AnimalBase, accessed 4 May 2009. ;Synonyms: * ''Xerolenta candicans'' Pfeiffer, 1841: synonym of ''



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 taxonomy of the Gastropoda by Bouchet & Rocroi, 2005. * Helicidae * Bradybaenidae * Camaenidae * Cepolidae * Cochlicellidae * Elonidae * Epiphragmophoridae * Halolimnohelicidae * Helicodontidae * Helminthoglyptidae * Humboldtianidae * Hygromiidae * Monadeniidae * Pleurodontidae * Polygyridae * Sphincterochilidae * Thysanophoridae * Trissexodontidae * Xanthonychidae According to H. Nordsieck the family ''Xanthonychidae'' (sensu Hausdorf & Bouchet) is probably polyphyletic (contains several different lineages) and therefore should be divided into several families. 2012 taxonomy Thompson & Naranjo-García (2012) described a new family Echinichidae and placed it to the superfamily Xanthonychoidea.Thompson F. G. & Naranjo-García E. ( ...
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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, Madeira & Pfenninger, 2018. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1308909 on 2022-07-31 The genus is endemic to the Iberian Peninsula. Species The genus contains two species: * ''Zarateana arganica'' (Servain, 1880) type species * ''Zarateana rocandioi ''Zarateana rocandioi'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Geomitridae. MolluscaBase eds. (2022). MolluscaBase. Zarateana rocandioi (Ortiz de Zárate y López, 1950). Accessed throu ...'' (Ortiz de Zárate y López, 1950) References Geomitridae {{geomitridae-stub ...
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Xerotricha
''Xerotricha'' is a genus of small air-breathing land snails, a terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae. MolluscaBase eds. (2022). MolluscaBase. Xerotricha Monterosato, 1892. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996342 on 2022-07-30 Species Species in the genus ''Xerotricha'' include:Species in genus ''Xerotricha''
. AnimalBase, accessed 7 October 2009. * '''' (Mousson, 1872) * ''