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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Pisidium conventus arctic-alpine pea clam , is a species of freshwater bivalve from the family Sphaeriidae .
Description
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The small (2.2–2.8 mm.) shell is oval in shape and thin and fragile. It is broad and flattened (laterally compressed) with flattened umbos near the midpoint. The colour is yellowish-white and the periostracum (surface) is silky with fine, concentric striation.
Ecology
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P. conventus is a relict of colder climatic periods found only in deep, cold, upland lakes.
Distribution and conservation status
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References
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^ 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, ISBN 3-923376-02-2
^ Pisidium conventus - Polish Red Data Book of Animals
^ 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 Journal of Conchology, 38 (6 ): 607–637, (published 2005)
[1 ] .
External links
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t
e
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Pisidium_conventus&oldid=1010017455 " C a t e g o r i e s : ● P i s i d i u m ● M o l l u s c s d e s c r i b e d i n 1 8 7 7 ● B i v a l v e s t u b s H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s w i t h ' s p e c i e s ' m i c r o f o r m a t s ● T a x o n b a r s d e s y n c e d f r o m W i k i d a t a ● A l l s t u b a r t i c l e s
● T h i s p a g e w a s l a s t e d i t e d o n 3 M a r c h 2 0 2 1 , a t 1 1 : 4 7 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
