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Pisidium nitidum

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Kingdom
  
Animalia

Subclass
  
Heterodonta

Suborder
  
Sphaeriacea

Scientific name
  
Pisidium nitidum

Rank
  
Species

Phylum
  
Mollusca

Order
  
Veneroida

Family
  
Sphaeriidae

Higher classification
  
Pisidium

Pisidium nitidum httpsuploadwikimediaorgwikipediacommonsthu

Similar
  
Pisidium subtruncatum, Pisidium milium, Pisidium, Pisidium henslowanum, Pisidium casertanum

Pisidium nitidum or 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 mid point. 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.

  • Czech Republic - in Bohemia, in Moravia, - least concern (LC)
  • Slovakia
  • Germany - distributed in whole Germany, endangered (gefährdet) in Bavaria and Arten der Vorwarnliste in Brandenburg.
  • Nordic countries: Denmark, Faroes, Finland, Iceland, Norway and Sweden
  • Great Britain and Ireland

    • References

    Pisidium nitidum Wikipedia
    (Text) CC BY-SA