Lauria cylindracea, the common chrysalis snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Lauriidae.
| Lauria cylindracea | |
|---|---|
| |
| A shell of Lauria cylindracea | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Lauriidae |
| Genus: | Lauria |
| Species: | L. cylindracea
|
| Binomial name | |
| Lauria cylindracea (E. M. da Costa, 1778)
| |
Description
editThe 3-4 x 1.8 mm shell is oval with a blunt apex and 5-6 weakly convex whorls. The last whorl has the largest diameter. The aperture with parietalis and with or without angular tooth. The margin is white, sharp and reflected in fully grown specimens, usually with a whitish parietal callus. The umbilicus is open and narrow. The shell colour is brown, transparent and shiny. It is weakly striated. Juveniles have additional folds visible from outside the shell. The animal is dark with lighter sides and foot. The upper tentacles are short, the lower tentacles very short. The animal crawls with the shell in a high and almost straight position.
Distribution
editThis species is known to occur in a number of countries and islands:
- Great Britain
- Ireland
- Ukraine[1]
- Portugal
- Belgium
- The Netherlands
- and other areas
It has been introduced to:
References
edit- ^ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
- ^ Forsyth, R.G. 2004. Land Snails of British Columbia. Royal British Columbia Museum Handbook. Royal BC Museum, Victoria. iv + 188 pp.
- ^ New Zealand Mollusca, Images: Lauria cylindracea (da Costa, 1778). http://www.mollusca.co.nz/speciesdetail.php?taxa=3995 Accessed 3rd January 2022
External links
edit- Lauria cylindracea at Animalbase taxonomy,short description, distribution, biology,status (threats), images
- Series of good images at: Discover Life
- More images: [1]