Helicopsis filimargo is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusc in the family GeomitridaeMolluscaBase eds. (2022). MolluscaBase. * Helicopsis filimargo (Krynicki, 1833). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1002382 on 2022-08-01 from eastern Europe.
Taxonomy This species is extremely variable and many forms, especially from Crimea, were treated as separate species before a revision using methods of molecular taxonomy was carried out.
Distribution This species occurs in southern and eastern Ukraine and in the adjacent regions of Russia. Most numerous and diverse populations are in the Crimean Mountains. All reports of H. filimargo outside those regions were referring to various other species of Geomitridae.
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