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.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 Its habitat is a denizen of various willow-dominated wetlands in a tundra and northern taiga matrix.
Description
The length of the shell attains 3 mm, its diameter 1.75 mm. This species mode of locomotion is mucus meditated gliding. Distribution
Vertigo extima is usually found in northern Scandinavia, northern Siberia, Northern Labrador, central quebec and in western Alaska."Species summary for Vertigo extima". AnimalBase, last modified 26 October 2013, accessed 18 October 2015. Its distribution covers an area from 5000 to 20,000 square kilometers (about 2000 to 8000 square miles).
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