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Pisidium subtruncatum

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Pisidium subtruncatum
Drawing of the left valve internal view of Pisidium subtruncatum
Drawing of the right valve internal view of Pisidium subtruncatum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Sphaeriida
Family: Sphaeriidae
Genus: Pisidium
Species:
P. subtruncatum
Binomial name
Pisidium subtruncatum
Malm, 1855

Pisidium subtruncatum is a species of pill clam, a minute freshwater bivalve in the family Sphaeriidae.

Description

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The 2.7 – 4 mm shell is moderately tumid (swollen). In shape it is a strongly oblique oval. The umbos are prominent and well behind the middle. The surface is silky glossy with fine, irregular ribbing. In colour it is whitish to greyish.

Distribution

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Its native distribution is Holarctic.

References

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  1. ^ (in 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.
  2. ^ Beran, L. (2002) Vodní měkkýši České Republiky - rozšíření a jeho změny, stanoviště, šíření, ohrožení a ochrana, červený seznam. Aquatic molluscs of the Czech Republic - distribution and its changes, habitats, dispersal, threat and protection, Red List. - Sborník přírodovědného klubu v Uherském Hradišti, Supplementum 10, 258 pp.
  3. ^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
  4. ^ 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
  5. ^ 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].
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