Pisidium milium
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| Pisidium milium | |
|---|---|
| Error creating thumbnail: | |
| Drawing of the left valve internal view of Pisidium milium | |
| File:PisidiumMiliumDanmarksFauna.jpg | |
| Drawing from Dansk Fauna showing the valve articulation and the rectangular form | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Sphaeriida |
| Family: | Sphaeriidae |
| Genus: | Pisidium |
| Species: | P. milium
|
| Binomial name | |
| Pisidium milium Held, 1836
| |
Pisidium milium is a species of very small freshwater bivalve in the family Sphaeriidae, the fingernail clams and pea clams.
Description
[edit | edit source]The 3.0- to 4.5-mm shell is tumid (swollen). It is more rectangular than other Pisidium species and has broad, swollen umbos which lie behind the midpoint. The surface (periostracum) is very glossy, with irregular, concentric striae. The colour is yellow to pale brown.
Distribution
[edit | edit source]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
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b 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. (in Czech)
- ^ 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, 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 milium at Animalbase taxonomy, short description, biology, status (threats), images
- Images at BOLD.
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