Pisidium milium
From Infogalactic: the planetary knowledge core
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| Drawing of the left valve internal view of Pisidium milium | |
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| Drawing from Dansk Fauna showing the valve articulation and the rectangular form | |
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P. milium
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| Pisidium milium Held, 1836
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Pisidium milium is a species of very small freshwater bivalve in the family Sphaeriidae, the fingernail clams and pea clams.
Description
The 3-4.5mm. shell is tumid (swollen). It is more rectangular than other Pisidium and has broad, swollen umbos which lie behind the mid point. The surface (periostracum) is very glossy, with irregular, concentric striae. The colour is yellow to pale brown.
Distribution
The native distribution of this species is Holarctic.
- Czech Republic - in Bohemia, in Moravia,[2] vulnerable (VU)[3]
- Slovakia[2]
- Germany - (Arten der Vorwarnliste)[4]
- Nordic countries: Denmark, Faroes, Finland, Iceland, Norway and Sweden[5]
- Great Britain and Ireland [6]
References
- ↑ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 17 May 2007.
- ↑ 2.0 2.1 (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 http://mollusca.sav.sk/malacology/redlist.htm
- ↑ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 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
- Pisidium milium at Animalbase taxonomy,short description, biology,status (threats), images
- Images at BOLD.
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