Columella aspera

Columella aspera
Shell of Columella aspera (specimen at MNHN, Pzris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Truncatellinidae
Genus:	Columella
Species:	C. aspera
Binomial name
Columella aspera Waldén, 1966

Columella aspera is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family of Truncatellinidae, the vertigo snails and allies. ^[1]

Description

The 2.0-2.5 x 1.3-1.4 mm. shell has 4-5 whorls and the spire tapers towards the apex. The aperture is simple without teeth. The colour is dark grey brown or horny brown. The surface is not shiny and finely and regularly striated. It is more coarsely sculptured than the very similar Columella edentula .

Distribution

This species occurs in countries and islands including:

• Czech Republic
• Great Britain
• Ireland

References

1. MolluscaBase eds. (2021). "Columella aspera". WoRMS. World Register of Marine Species . Retrieved 21 September 2021.{{cite web}}: |author= has generic name (help)

• Kerney, M.P., Cameron, R.A.D. & Jungbluth, J-H. (1983). Die Landschnecken Nord- und Mitteleuropas. Ein Bestimmungsbuch für Biologen und Naturfreunde, 384 pp., 24 plates. [Summer or later]. Hamburg / Berlin
• 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

• Columella aspera at Animalbase taxonomy,short description, distribution, biology,status (threats), images