Pisidium nitidum

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Pisidium nitidum
Pisidium nitidum.svg
Drawing of the left valve external view of Pisidium nitidum
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Heterodonta
Order: Sphaeriida
Family: Sphaeriidae
Genus: Pisidium
Species:
P. nitidum
Binomial name
Pisidium nitidum
Jenyns, 1832

Pisidium nitidum, the shining pea clam, is a species of minute freshwater clam, an aquatic bivalve mollusc in the family Sphaeriidae, the pea clams and fingernail clams.

Contents

Description

The 3 – 4 mm. shell is slightly tumid (swollen). In shape it is regular-oval with low umbos slightly behind the midpoint. The umbonal area is demarcated by three concentric furrows. The surface (periostracum) is very glossy, with prominent irregularly spaced concentric striae. The colour is yellowish.

Distribution

Its native distribution is Holarctic.

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<i>Pisidium amnicum</i> Species of bivalve

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<i>Pisidium lilljeborgii</i> Species of bivalve

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<i>Pisidium pulchellum</i> Species of bivalve

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References

  1. 1 2 (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) .


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