Biology:Lauria cylindracea

Short description: Species of gastropod

Lauria cylindracea
A shell of Lauria cylindracea
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia clade Euthyneura clade Panpulmonata clade Stylommatophora clade Orthurethra
Superfamily:	Pupilloidea
Family:	Lauriidae
Genus:	Lauria
Species:	L. cylindracea
Binomial name
Lauria cylindracea (E. M. da Costa, 1778)

Lauria cylindracea, common name "the common chrysalis snail", is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Lauriidae.

Description

For terms see gastropod shell

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
• Ukraine
• Portugal
• and other areas

It has been introduced to:

• British Columbia, Canada
• New Zealand

External links

• Lauria cylindracea at Animalbase taxonomy,short description, distribution, biology,status (threats), images
• Lauria cylindracea at Encyclopedia of Life
• Series of good images at: Discover Life
• More images: [1]

Wikidata ☰ Q1501279 entry