Helicella itala
| Helicella itala | |
|---|---|
 | |
| Two views of a shell of Helicella itala | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra |
| Superfamily: | Helicoidea |
| Family: | Hygromiidae |
| Genus: | Helicella |
| Species: | H. itala |
| Binomial name | |
| Helicella itala (Linnaeus, 1758) | |
Helicella itala is a species of medium-sized, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Hygromiidae, the hairy snails and their allies.
Life cycle
The size of the egg is 1.5 mm.[1]
Drawing of love dart of Helicella itala.
This species of snail makes and uses love darts during mating.
Description
The 12-20 mm. shell is broad and very depressed with an open coil forming a convex, low spire. The umbilicus is very wide. The whorls are slightly convex and have shallow sutures. The aperture is elliptical and lacks an internal rib. The surface (periostracum) is white or pale yellow-brown and dark brown or yellow-brown spiral bands and fine irregular growth ridges.
References
- ↑ Heller J.: Life History Strategies. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001, ISBN 0-85199-318-4. 1-146, cited page: 428.
External links
- Helicella itala at Animalbase taxonomy, short description, distribution, biology,status (threats), images
 |
Wikimedia Commons has media related to Helicella itala. |
This article is issued from Wikipedia - version of the Sunday, April 19, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.