Pisidium pulchellum
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| Pisidium pulchellum | |
|---|---|
| File:Pisidium pulchellum (Sowerby).jpg | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Sphaeriida |
| Family: | Sphaeriidae |
| Genus: | Pisidium |
| Species: | P. pulchellum
|
| Binomial name | |
| Pisidium pulchellum Jenyns, 1832
| |
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Pisidium pulchellum, the iridescent pea mussel, is a minute species of pea clam, a freshwater bivalve in the family Sphaeriidae.
Description
[edit | edit source]The 3.5–4 mm shell is tumid (swollen), oblique-oval shell. The umbos are broad well and well behind the midpoint. The surface (periostracum) is glossy with regular concentric ribbing. The colour is grey to cream tinged and pinkvor orange from the animal inside.
Distribution and conservation status
[edit | edit source]- Not listed in IUCN red list – not evaluated (NE)[1]
- Germany – critically endangered (vom Aussterben bedroht) [2]
- Nordic countries: Denmark, Finland, Iceland, Norway and Sweden (not in Faroes)[3]
- Great Britain and Ireland[4]
References
[edit | edit source]- ^ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 30 May 2007.
- ^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Roy Anderson, 2005 An annotated list of the non-marine molluscs of Britain and Ireland Journal of Conchology, 38 (6): 607–637, (published 2005) [1].
External links
[edit | edit source]- Pisidium pulchellum at Animalbase taxonomy, short description, biology, status (threats), images
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