Vertigo (gastropod)
Vertigo is a genus of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the family Vertiginidae, the vertigo snails.
Distribution
Distribution of the genus Vertigo include Europe, northern Asia, eastern Asia, Japan, Central and North America, Caribbean and Bermudas.[2]
Shell description
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.[3]
Anatomy
The animal in the genus Vertigo has no oral tentacles.
Jaw is arched, ends squarely truncated, anterior surface striate, cutting edge with median projection. Radula is with a central tooth almost square, tricuspid, as large as or larger than the laterals, which are similar, narrower, and bi- or tricuspid. The marginal teeth are low, wide and serrated.[3]
Species
Species in the genus Vertigo include:
subgenus Vertigo O. F. Müller, 1774
- Vertigo alpestris Alder, 1838 - tundra vertigo
- Vertigo andrusiana Pilsbry, 1899
- Vertigo antivertigo (Draparnaud, 1801)
- Vertigo arctica (Wallenberg, 1858)
- Vertigo arthuri Von Martens, 1882
- Vertigo binneyana Sterki, 1890
- Vertigo bollesiana (Morse, 1865) - Delicate vertigo snail
- Vertigo botanicorum Horsak & Pokryszko, 2010[4]
- Vertigo columbiana Pilsbry & Vanatta, 1900
- Vertigo cristata Sterki, 1919
- Vertigo elatior Sterki, 1894
- Vertigo extima (Westerlund, 1877)
- Vertigo genesii (Gredler, 1856) - Round-mouthed Whorl Snail
- Vertigo geyeri Lindholm, 1925
- Vertigo gouldii (Binney, 1843)[5]
- Vertigo heldi Clessin, 1877
- Vertigo lilljeborgi (Westerlund, 1871)
- Vertigo milium (Gould, 1840)[5] - Blade Vertigo
- Vertigo modesta (Say, 1824) - cross vertigo
- Vertigo morsei Sterki, 1894
- Vertigo nylanderi Sterki, 1909
- Vertigo moulinsiana (Dupuy, 1849) - Desmoulin's whorl snail
- Vertigo oughtoni Pilsbry, 1948
- Vertigo ovata (Say, 1822)[5] - ovate vertigo
- Vertigo paradoxa Sterki in Pilsbry, 1900
- Vertigo perryi Sterki 1905
- Vertigo pusilla O. F. Müller, 1774 - type species
- Vertigo pygmaea (Draparnaud, 1801) - crested vertigo
- Vertigo ronnebyensis (Westerlund, 1871)
- Vertigo substriata (Jeffreys, 1833)
- Vertigo tridentata Wolf, 1870
- Vertigo ventricosa (E. S. Morse, 1865)
subgenus Vertilla Moquin-Tandon, 1856
subgenus ?
- Vertigo alabamensis G. Clapp, 1915 - Alabama Vertigo
- Vertigo conecuhensis G. Clapp, 1915
- Vertigo cubana Crosse, 1890[5]
- Vertigo eogea
- Vertigo hachijoensis
- Vertigo hebardi Vanetta, 1912
- Vertigo hirasei
- Vertigo hubrichti Pilsbry, 1934
- Vertigo japonica
- Vertigo kushiroensis
- Vertigo meramecensis Van Devender, 1979
- Vertigo neglecta Arango in Poey, 1856[5]
- Vertigo oralis Sterki, 1890 - Palmetto Vertigo
- Vertigo oscariana Sterki, 1890 - Capital Vertigo
- Vertigo occulta Vanetta, 1912
- Vertigo parcedentata (Braun, 1847)
- Vertigo pseudosubstriata Ložek, 1954
- Vertigo rugosula Sterki, 1890 - Striate Vertigo
- Vertigo teskeyae Hubricht, 1961 - Swamp Vertigo
- Vertigo torrei Aguayo & Jaume, 1934[5]
References
This article incorporates public domain text from reference [3].
- ^ Müller O. F. 1773. Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum et testaceorum, non marinorum, succincta historia. Voluminis Imi pars Ima. pp. [1-33], 1-135. Havniæ & Lipsiæ. (Heineck & Faber).
- ^ "Genus summary for Vertigo"]. AnimalBase, last modified 30 january 2010, accessed 2 October 2010.
- ^ 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.
- ^ 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.
- ^ a b c d e f "Mollusca". Diversidad Biológica Cubana, accessed 23 March 2011.
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