Pisidium pulchellum
| Pisidium pulchellum | |
|---|---|
.jpg) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Sphaeriida |
| Family: | Sphaeriidae |
| Genus: | Pisidium |
| Species: | P. pulchellum |
| Binomial name | |
| Pisidium pulchellum Jenyns, 1832 | |
Pisidium pulchellum, the iridescent pea mussel, is a minute species of pea clam, a freshwater bivalve in the family Sphaeriidae.
Description
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
- 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
- ↑ "Search for Pisidium pulchellum". IUCN Red List of Threatened Species. Retrieved 30 May 2007.
- ↑ Glöer P.; Meier-Brook C. (2003). Süsswassermollusken. DJN. p. 109. ISBN 3-923376-02-2.
- ↑ Kuiper, J. G. J.; Økland, K. A.; Knudsen, J.; Koli, L.; von Proschwitz, T.; Valovirta, I. (1989), "Geographical distribution of the small mussels (Sphaeriidae) in North Europe (Denmark, Faroes, Finland, Iceland, Norway and Sweden)" (PDF), Annales Zoologici Fennici, 26 (2): 73–101
- ↑ Roy Anderson (2005). "An annotated list of the non-marine molluscs of Britain and Ireland" (PDF). Journal of Conchology. 38 (6): 607–637. Bibcode:2005JConc..38..607A. doi:10.5962/p.408180.
External links
- "Pisidium pulchellum". Animalbase.
Categories: