Lauria cylindracea, the common chrysalis snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Lauriidae.
Description The 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 This species is known to occur in a number of countries and islands: Great Britain Ireland UkraineBalashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109. Portugal Belgium The Netherlands and other areas
It has been introduced to: British Columbia, CanadaForsyth, R.G. 2004. Land Snails of British Columbia. Royal British Columbia Museum Handbook. Royal BC Museum, Victoria. iv + 188 pp. New ZealandNew Zealand Mollusca, Images: Lauria cylindracea (da Costa, 1778). http://www.mollusca.co.nz/speciesdetail.php?taxa=3995 Accessed 3 January 2022
References
External links Lauria cylindracea at Animalbase taxonomy, short description, distribution, biology, status (threats), images Series of good images at: Discover Life More images: