Vertigo (gastropod)

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Vertigo is a genus of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the family Vertiginidae, the whorl snails.[1]

Description

Snails in the genus Vertigo have no oral tentacles, thus they have only one pair of tentacles.

The jaw is arched; the ends squarely truncated; the anterior surface striate; the cutting edge with a median projection. The radula has a central tooth that is almost square, tricuspid, as large as or larger than the lateral teeth, which are similar, narrower, and bi- or tricuspid. The marginal teeth are low, wide and serrated.[2]

Shell

The shell is deeply rimate and ovate. The apex is acuminate and obtuse. The shell has 5–6 whorls. The last whorl is rounded. The aperture is semioval with 4 to 7 folds. The peristome is scarcely expanded and white-lipped.[2]

Distribution

The distribution of the genus Vertigo includes Europe, northern Asia, eastern Asia, Japan, Central and North America, Caribbean and the Bermudas.[3]

Species

File:Vertigo heldi shell.jpg
Apertural view of a shell of Vertigo pygmaea

Species in the genus Vertigo include:

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Synonyms
  • Vertigo concinnula (Roscoe and Roscoe, 1955) – Mitered vertigo:[8] synonym of Vertigo modesta concinnula Cockerell, 1897
  • Vertigo cubana Crosse, 1890:[4] synonym of Lyropupa cubana (Dall, 1890)
  • Vertigo elatior (Brooks, 1936) – tapered vertigo:[9] synonym of Vertigo ventricosa (Morse, 1865)
  • Vertigo flexidens (Reuss, 1861): synonym of † Ptychalaea flexidens (Reuss, 1861)
  • Vertigo hachijoensis Pilsbry, 1919: synonym of Vertigo kushiroensis hachijoensis Pilsbry, 1919
  • Vertigo heldi Clessin, 1877: synonym of Vertigo pygmaea (Draparnaud, 1801)
  • Vertigo hubrichti Pilsbry, 1934: synonym of Vertigo arthuri E. von Martens, 1882
  • Vertigo interferens (Deshayes, 1863) : synonym of † Ovicarychium interferens (Deshayes, 1863)
  • Vertigo mystica (Stworzewicz & Pokryszko, 2015): synonym of † Ptychalaea mystica Stworzewicz & B.M. Pokryszko, 2015
  • Vertigo neglecta Arango in Poey, 1856:[4] synonym of Vertigo ovata Say, 1822
  • Vertigo occulta Vanetta, 1912: synonym of Vertigo arthuri E. von Martens, 1882
  • Vertigo paradoxa Sterki in Pilsbry, 1900: synonym of Vertigo arthuri E. von Martens, 1882
  • Vertigo shimochii Kuroda & Amano, 1960: synonym of Gastrocopta servilis (A. Gould, 1843)
  • Vertigo sieversi (O. Boettger, 1879): synonym of Vertigo nitidula (Mousson, 1876)

References

This article incorporates public domain text from reference.[2]

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  1. MolluscaBase eds. (2023). MolluscaBase. Vertigo O. F. Müller, 1773. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=426423 on 2023-02-07
  2. a b c Baker F. C. (25 April) 1902. The Mollusca of the Chicago Area. Part II. Gastropoda. Bulletin No. III. of the Natural History Survey, The Chicago Academy of Sciences, 418 pp. 33 plates, page 240-241.
  3. "Genus summary for Vertigo"]. AnimalBase, last modified 30 January 2010, accessed 2 October 2010.
  4. a b c d e f "Mollusca" Template:Webarchive. Diversidad Biológica Cubana, accessed 23 March 2011.
  5. Horsak, M. & Pokryszko, B. M. "Vertigo botanicorum sp. nov. (Gastropoda: Pulmonata: Vertiginidae)–a new whorl-snail from the Russian Altai Mountains." Zootaxa 2634 (2010): 57–62.
  6. Template:In lang Ložek V. (1964). Quartärmollusken der Tschechoslowakei. – Rozpravy Ústředního ústavu geologického, Praha, 31: 374 pp., pp. 204–205.
  7. Proschwitz T. von (2007). "Vertigo ultimathule n. sp., a new whorl-snail from northernmost Sweden (Gastropoda: Pulmonata: Vertiginidae)". Heldia 5(3): 73–74, Taf. 9. München.
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Further reading

  • Speight M. C. D., Moorkens E. A. & Falkner G. (2003). Proceedings of the workshop on conservation biology of European Vertigo species.
  • Myzyk S. (2005). "Egg structure of some vertiginid species (Gastropoda: Pulmonata: Vertiginidae)". Folia Malacologica 13: 169. (open access with registration required)

External links

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