Lauria cylindracea
Species of gastropod
From Wikipedia, the free encyclopedia
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  | |
| 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
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.[citation needed]
Distribution
This species is known to occur in a number of countries and islands:[citation needed]
- Great Britain
- Ireland
- Ukraine[2]
- Portugal
- Belgium
- The Netherlands
- and other areas
It has been introduced to: