Gyraulus albus
{{Short description|Species of gastropod}}
{{Speciesbox
| image = Gyraulus albus (O.F.Müller, 1774) (2999354585).jpg
| taxon = Gyraulus albus
| authority = (O. F. Müller, 1774)Müller O. F. (1774). Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum, et testaceorum, non marinorum, succincta historia. Volumen alterum. pp. I-XXXVI, 1-214, Havniae & Lipsiae. page 164
| synonyms =
Planorbis albus Müller, 1774
Planorbis hispidus Draparnaud, 1805
}}
Gyraulus albus, common name white ramshorn, is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Gyraulus albus is the type species of the genus Gyraulus.
Distribution
- Belgium
- Czech Republic{{in lang|cs}} Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. [http://mollusca.sav.sk/pdf/9/Suppl-1-v2.pdf PDF]. - least concern (LC)
- Germany
- Hungary
- Netherlands{{in lang|nl}} Gittenberger E., Janssen A. W., Kuijper W. J., Kuiper J. G. J., Meijer T., van der Velde G. & de Vries J. N. (2004). Nederlandse zoetwatermollusken. Nederlandse Fauna 2. KNNV uitgeverij . 288 pp., {{ISBN|978-90-5011-201-7}}. [http://www.naturalis.nl//sites/naturalis.nl/contents/i001163/pp.%20152%20-%20153.pdf 152-153] {{webarchive|url=https://web.archive.org/web/20071023025223/http://www.naturalis.nl//sites/naturalis.nl/contents/i001163/pp.%20152%20-%20153.pdf |date=2007-10-23 }}.
- Poland
- Slovakia
- Great Britain
- Ireland
Habitat
This small snail lives in various types of freshwater habitats among weed and on bottom mud. It doesn't require a high level of calcium.
Description
The shell of this species is rather small, reaching a height of 1.3 - 1.8 mm and a width of 4 – 7 mm. This shell has a discoid shape with 4 - 4½ body whorls that expand in the direction of the aperture. This aperture and the whorls are curved and do not have a keel.
The shell of this species is white (sometimes darkened by mud deposits) and has a characteristic spiral sculpture.
References
{{Reflist}}
Further reading
- V. Pfleger & June Chatfield, A guide to the snails of Britain and Europe; Hamlyn Publishing Group, London, 1988; {{ISBN|0-600-55127-X}}
External links
- [http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=2082 Gyraulus albus] at AnimalBase
- {{Commons category-inline}}
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