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Craven Door-snail
Clausilia dubia
Clausilia dubia is a species of small, very elongate, left-handed air-breathing land snail, a sinistral terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.
From the article Clausilia dubia on Wikipedia (CC BY-SA), quoted section by section
Description
All the species of snails in the family of door snails are left-handed, which is an uncommon feature in gastropods in general. These snails have shells which are extremely high-spired, with numerous whorls. Clausilia dubia is a relatively large species for this family, reaching 16 mm in height. The weight of the adult live snail is about 123 mg.
Range & habitat
The species is widespread in Europe, living in countries and islands including (among others):
Austria Czech Republic Great Britain, the north of England Slovakia Ukraine In Finland, as of 2019, the species is only known to live in two locations: the Ylistönmäki hill in Jyväskylä and the Kettuvuori hill in Heinola. Formerly, they had also been found on the Riihivuori hill in Muurame, but disappeared after a skiing center was built there. The species may have spread to Finland during a warm, rainy period in the 18th century.
Wikipedia: “Distribution”
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Clausilia dubia in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 336829.