Pyramidula (gastropod)

Pyramidula
Five shells of Pyramidula rupestris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Infraorder:	Pupilloidei
Superfamily:	Pupilloidea
Family:	Pyramidulidae
Genus:	Pyramidula (Fitzinger, 1833) [1]
Synonyms
CraterePorro, 1838 Helix (Pyramidula)Fitzinger, 1833 Patula (Pyramidula)Fitzinger, 1833 Pyramidula (Pyramidula)Fitzinger, 1833 Pyramidula (Pyramidulops)Habe, 1956 PyramidulopsHabe, 1956

Pyramidula is a genus of very small, air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Pyramidulidae. ^[2]

Pyramidula is the type genus of the family Pyramidulidae.

Species

The type species in the genus Pyramidula is Pyramidula rupestris .

Species in the genus Pyramidula include:

• Pyramidula cephalonica (Westerlund, 1898), Balkans ^[3]
• Pyramidula chorismenostoma (Westerlund & Blanc, 1879), Balkans ^[3]
• Pyramidula conica Pilsbry & Hirase, 1902, Japan ^[4]
• Pyramidula euomphalus (Blanford, 1861), India ^[4]
• Pyramidula gracilitesta van Benthem Jutting, 1959
• Pyramidula halyi (Jousseaume, 1894), Sri Lanka ^[4]
• Pyramidula humilis (Hutton, 1838), India ^[4]
• Pyramidula jaenensis (Clessin, 1882), Iberian Peninsula ^[3]
• Pyramidula javana (Möllendorff, 1897)
• Pyramidula kobayashii Kuroda & Hukuda, 1944
• Pyramidula kuznetsovi Schileyko & Balashov, 2012, Nepal ^[4]
• Pyramidula micra Pilsbry, 1927
• Pyramidula przevalskii Lindholm 1922, northwest China ^[5]
• Pyramidula pusilla (Vallot, 1801), Europe ^{[3] [5]} and Asia ^[5]
• Pyramidula rupestris (Draparnaud, 1801), Mediterranea ^[3] and maybe south of Central Asia ^[5]
• Pyramidula saxatilis (Hartmann, 1842)
• † Pyramidula shantungensis Yen, 1969

Synonyms

• Pyramidula alternata(Say, 1817): synonym of Anguispira alternata (Say, 1817) (unaccepted combination)
• † Pyramidula antonini(Michaud, 1862): synonym of † Acanthinula antonini (Michaud, 1862)
• Pyramidula asteriscus(Morse, 1857): synonym of Planogyra asteriscus (Morse, 1857) (unaccepted combination)
• Pyramidula cockerelliPilsbry, 1898: synonym of Discus shimekii (Pilsbry, 1890) (junior synonym)
• Pyramidula elrodiPilsbry, 1900: synonym of Oreohelix elrodi (Pilsbry, 1900) (original combination)
• Pyramidula laosensisSaurin, 1953: synonym of Krobylos laosensis (Saurin, 1953) (original combination)
• † Pyramidula leconteiStearns, 1902: synonym of † Discus lecontei (Stearns, 1902) (new combination)
• Pyramidula mamillataAndreae, 1904 †: synonym of Pleurodiscoides mamillatus (Andreae, 1904) † (new combination)
• Pyramidula patagonicaSuter, 1900: synonym of Radiodiscus patagonicus (Suter, 1900)
• Pyramidula pauper(A. Gould, 1859): synonym of Discus pauper (A. Gould, 1859) (unaccepted combination)
• Pyramidula perspectiva(Say, 1817): synonym of Discus patulus (Deshayes, 1832) (junior homonym of Helix perspectiva Megerle von Mühlfeld, 1816; synonym)
• Pyramidula pictaG. H. Clapp, 1920: synonym of Anguispira picta (G. H. Clapp, 1920)
• † Pyramidula ralstonensisCockerell, 1914: synonym of † Discus ralstonensis (Cockerell, 1914) (new combination)
• Pyramidula randolphiiDall, 1895: synonym of Punctum randolphii (Dall, 1895) (original combination)
• † Pyramidula recurrecta(Oppenheim, 1890): synonym of † Pfefferiola recurrecta (Oppenheim, 1890)
• Pyramidula striatella(J. G. Anthony, 1840): synonym of Discus whitneyi (Newcomb, 1864) (junior synonym)
• Pyramidula strigosa(A. Gould, 1846): synonym of Oreohelix strigosa (A. Gould, 1846) (unaccepted combination)
• † Pyramidula subteres(Clessin, 1877): synonym of † Lucilla subteres (Clessin, 1877)
• Pyramidula umbilicata(Montague, 1803), Iberian Peninsula and British Isles: ^[3] synonym of Pyramidula pusilla(Vallot, 1801) (junior subjective synonym)

References

1. Fitzinger L. I. 1833. Systematisches Verzeichniß der im Erzherzogthume Oesterreich vorkommenden Weichthiere, als Prodrom einer Fauna derselben. Beiträge zur Landeskunde Oesterreich's unter der Enns 3: 88-122. Wien.
2. MolluscaBase eds. (2022). MolluscaBase. Pyramidula Fitzinger, 1833. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=851193 on 2022-03-15
3. Gittenberger E. & Bank R. A. 1996. A new start in Pyramidula (Gastropoda Pulmonata: Pyramidulidae). Basteria 60: 71-78.
4. Schileyko A.A. & Balashov I.A. 2012. Pyramidula kuznetsovi sp. nov. – a new species of land mollusсs from Nepal (Pulmonata, Pyramidulidae). Ruthenica. 22 (1): 41-45.
5. (in Russian) Balashov I.A. & Gural-Sverlova N.V. 2011. Terrestrial molluscs of the genus Pyramidula (Pyramidulidae, Pulmonata, Gastropoda) in the East Europe, Central Asia and adjacent territories. Zoologicheskii Zhurnal. 90 (12): 1423-1430 (in Russian)

Further reading

• Habe, T. (1956). Anatomical Studies on the Japanese Land Snails (7). Venus (Japanese Journal of Malacology). 19(2): 109-117
• Gittenberger E. & Bank R. A. 1996. A new start in Pyramidula (Gastropoda Pulmonata: Pyramidulidae). Basteria 60: 71–78.

External links

• Fitzinger, L.J. (1833). Systematisches Verzeichniß der im Erzherzogthume Oesterreich vorkommenden Weichthiere, als Prodrom einer Fauna derselben. Beiträge zur Landeskunde Oesterreichs's unter der Enns, 3: 88-122. Wien
• Pyramidula at AnimalBase
• Image of two live individuals in situ

Media related to Pyramidula at Wikimedia Commons