Ashfordia granulata
Ashfordia granulata | |
---|---|
Ashfordia granulata | |
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: | Ashfordia |
Species: | A. granulata |
Binomial name | |
Ashfordia granulata (Alder, 1830)[1] | |
Ashfordia granulata, common name the "silky snail", 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.
This species is sometimes placed in the genus Monacha and known as Monacha granulata.[2][3]
Description
For terms see gastropod shell
The 5-7 x 7-9 mm shell is whitish to pale brown and thin, translucent, with fine straight hairs with bulbous bases.There are 5.5-6 convex whorls with deep suture. The aperture is simple with a thin lip or without a lip.It is reflected only at the columellar side. The umbilicus is very narrow and partly covered by the reflected columellar margin.Animal:Mantle with black spots.[4]
Distribution
This species is known to occur mainly in:
- Ireland
- Great Britain, England
with small populations in:
- France
- Spain
Life cycle
The size of the egg is 1 mm.[5]
References
- ↑ Alder J. 1830. A catalogue of the land and fresh-water testaceous Mollusca found in the vicinity of Newcastle upon Tyne, with remarks. Transactions of the Natural History Society of Northumberland and Durham 1 (1): 26-41. London.
- ↑
- ↑
- ↑ Animalbase (Welter-Schultes)
- ↑ 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
- Ashfordia granulata at Animalbase taxonomy,short description, distribution, biology,status (threats), images
- Image from Habitas