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Anisus spirorbis - Wikipedia

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Anisus spirorbis

Five shells of Anisus spirorbis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Superorder:	Hygrophila
Family:	Planorbidae
Genus:	Anisus
Species:	A. spirorbis
Binomial name
*Anisus spirorbis* (Linnaeus, 1758)^[1]
Synonyms
Anisus (Anisus) spirorbis (Linnaeus, 1758)· accepted, alternate representation † Anisus depressissimus (Sacco, 1886) (junior synonym) Helix spirorbis Linnaeus, 1758 † Paraspira (Paraspira) depressissima (Sacco, 1886) (junior synonym) Paraspira (Paraspira) spirorbis (Linnaeus, 1758) Planorbis (Anisus) gyrorbis S. Studer, 1820 (junior synonym) † Planorbis depressissimus Sacco, 1886 (junior synonym) Planorbis spirorbis (Linnaeus, 1758)

Anisus spirorbis is a species of small freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.^[2]

Taxonomy

Anisus spirorbis may be a broad-whorled morphotype of Anisus leucostoma.^[3]

Distribution

Europe to Siberia.

This species occurs in countries that include:

Czech Republic^[4] – vulnerable (VU)^[5]
Slovakia^[4]
Germany – high endangered (Stark gefährdet)^[6]
Poland
Ireland
Great Britain
Uzbekistan^[7]
Siberia

Description

The shell is 1 to 1.5 mm high and measures 4 to 5.5 mm in diameter. It has approximately 4.5 whorls. The mouth is oblique to the axis of the coil. The whorls are increase relatively rapidly (in relation to other Anisus species). The shell is yellowish horn coloured and bears thin growth strips. The body of the animal is grey-brownish black with lighter colored tentacles.

Ecology

Parasites:

This species serves as first intermediate host for Prosthogonimus ovatus^[8]
Dendritobilharzia loossi – Anisus spirorbis is an intermediate host.^[7]

References

^ Linnaeus C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. 10th edition. – Vermes. Testacea: 700–781. Holmiae. (Salvius).
^ MolluscaBase eds. (2021). MolluscaBase. Anisus spirorbis (Linnaeus, 1758). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=716344 on 2021-02-22
^ "Identifying British freshwater snails: Genus: Anisus | the Conchological Society of Great Britain and Ireland".
^ ^a ^b (in Czech) 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. PDF.
^ Red List of the molluscs (Mollusca) of the Czech Republic
^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 106, ISBN 3-923376-02-2
^ ^a ^b Akramova F. D., Azimov D. A. & Shakarboev E. B. (2011). "Morphology, biology and taxonomy of Dendritobilharzia loossi Skrjabin, 1924 (Trematoda: Bilharziellidae), a parasite of Pelecanus onocrotalus (Pelecanidae) and Anas plathyrinchos (Anatidae)". Parasite 18(1): 39–48. doi:10.1051/parasite/2011181039.
^ Prosthogonimus ovatus (Parasite Species Summary) Archived 2011-07-23 at the Wayback Machine

Deshayes G.P. , 1839-1851 Histoire naturelle générale et particulière des mollusques terrestres et fluviatiles tant des espèces que l'on trouve aujourd'hui vivantes, que des dépouilles fossiles de celles qui n'existent plus; classés par les caractères essentiels que présentent ces animaux et leurs coquilles, vol. I, p. 402 pp
Studer, S. (1820). Kurzes Verzeichnis der bis jetzt in unserm Vaterlande entdeckten Conchylien. Naturwissenschaftlicher Anzeiger der Allgemeinen Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften, 3 (11): 83-90; (12): 91-94. Bern
Glöer P. & Pešić V. (2012) The freshwater snails (Gastropoda) of Iran, with descriptions of two new genera and eight new species. ZooKeys 219: 11–61

External links

Media related to Anisus spirorbis at Wikimedia Commons

Taxon identifiers
Anisus spirorbis	Wikidata: Q1499716 BioLib: 2582 BOLD: 105826 CoL: 5V4XF EUNIS: 28 Fauna Europaea: 430527 Fauna Europaea (new): b86699b8-8019-4083-99cb-a13cc0bbb7de GBIF: 4562145 iNaturalist: 338180 IRMNG: 11768323 NCBI: 419057 WoRMS: 716344

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