Vertigo extima explained

Vertigo extima is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusc or micromollusc in the family Vertiginidae, the whorl snails.^[1]

Description

The length of the shell attains 3 mm, its diameter 1¾ mm (millimeters). This species mode of locomotion is mucus meditated gliding.^[2]

Distribution

Vertigo extima is usually found in northern Scandinavia, northern Siberia, Northern Labrador, central quebec and in western Alaska.^[3] Its distribution covers an area from 5000 to 20,000 square kilometers (about 2000 to 8000 square miles).^[4]

References

• Bank, R. A.; Neubert, E. (2017). Checklist of the land and freshwater Gastropoda of Europe. Last update: July 16, 2017
• Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. Sofia/Moskva (Pensoft). 312 pp., 142 plates

External links

• Westerlund, C. A. (1876). Neue Binnenmollusken aus Sibirien. Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft. 8 (8/9): 97-104, Frankfurt am Main

Notes and References

1. MolluscaBase eds. (2022). MolluscaBase. Vertigo extima (Westerlund, 1876). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1050660 on 2023-02-08
2. Web site: Vertigo extima (Westerlund 1877) - Encyclopedia of Life . 2023-10-30 . eol.org.
3. http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=3875 "Species summary for Vertigo extima"
4. Web site: NatureServe Explorer 2.0 . 2023-10-30 . explorer.natureserve.org.