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| binomial = ''Pisidium casertanum''
| binomial = ''Pisidium casertanum''
| binomial_authority = (Poli, 1791)
| binomial_authority = (Poli, 1791)
| synonyms = ''Cardium casertanum'' <small>Poli, 1791</small><br>''Pisidium novaezelandiae'' <small>Prime, 1862</small><br>''Corneocyclas aucklandica'' <small>Suter, 1907</small>
| range_map =
| range_map_width = 250px
| synonyms =
}}
}}


'''Pea cockle''', '''''Pisidium casertanum''''' is a freshwater [[bivalve]] of the [[family (biology)|family]] [[Sphaeriidae]].
The '''pea cockle''', ''Pisidium casertanum'', is a freshwater [[bivalve]] of the [[family (biology)|family]] [[Sphaeriidae]]. It has a [[cosmopolitan distribution]].


The shell is of similar shape to ''[[Sphaerium novaezelandiae]]'' but is smaller as an adult, more inflated, with a deeper hinge-plate, stronger teeth, and the ligament is not visible externally.
==Description==


Length is up to 4.5 [[millimetre|mm]], height 3.7 mm, and thickness 2.3 mm.
==Biology==


==Distribution and conservation status==
[[Cosmopolitan distribution]].


==Status==
* Not listed in [[IUCN red list]] - not evaluated (NE) <ref>2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 1 April 2007.</ref>
* Not listed in [[IUCN red list]] - not evaluated (NE) <ref>2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 1 April 2007.</ref>

* The Czech Republic - least concern (LC) <ref>Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.</ref>
* The Czech Republic - least concern (LC) <ref>Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.</ref>
* Germany - distributed in whole Germany. High endangered (''Stark gefährdet'') in [[Hessen]], critically endangered (''vom Aussterben bedroht'') in [[Sachsen]]. ''Pisidium casertanum ponderosum'' endangered (''gefährdet'') in [[Brandenburg]].<ref>Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2</ref>
* Germany - distributed in whole Germany. High endangered (''Stark gefährdet'') in [[Hessen]], critically endangered (''vom Aussterben bedroht'') in [[Sachsen]]. ''Pisidium casertanum ponderosum'' endangered (''gefährdet'') in [[Brandenburg]].<ref>Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2</ref>
* Netherlands <ref>http://www.anemoon.org/anm/voorlopige-kaarten/zoetwatermollusken/wetenschappelijk/pisidium-casertanum/</ref>
* Netherlands <ref>http://www.anemoon.org/anm/voorlopige-kaarten/zoetwatermollusken/wetenschappelijk/pisidium-casertanum/</ref>
* New Zealand - common.


==References==
Biotope: In freshwater water.

==Reference==
{{reflist}}
{{reflist}}
<!-- {{commons|Sphaerium nucleus}} -->
<!-- {{commons|Sphaerium nucleus}} -->
* [[Arthur William Baden Powell|Powell A W B]], ''New Zealand Mollusca'', [[HarperCollins|William Collins Publishers Ltd]], Auckland, New Zealand [[1979]] ISBN 0-00-216906-1


==External links==
==External links==
* [http://www.pesticideinfo.org/List_AquireAll.jsp?Species=1336&Effect= Pesticides Database - Chemical Toxicity Studies]
* [http://www.pesticideinfo.org/List_AquireAll.jsp?Species=1336&Effect= Pesticides Database - Chemical Toxicity Studies]


⚫
[[Category:Bivalves]]




{{mollusc-stub}}
{{mollusc-stub}}

⚫
[[Category:Bivalves]]

Revision as of 05:41, 13 July 2007

Pisidium casertanum
NE
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Suborder:
Sphaeriacea
Family:
Sphaeriidae
Genus:
Pisidium
Species:
P. casertanum
Binomial name
Pisidium casertanum
(Poli, 1791)
Synonyms

Cardium casertanum Poli, 1791
Pisidium novaezelandiae Prime, 1862
Corneocyclas aucklandica Suter, 1907

The pea cockle, Pisidium casertanum, is a freshwater bivalve of the family Sphaeriidae. It has a cosmopolitan distribution.

The shell is of similar shape to Sphaerium novaezelandiae but is smaller as an adult, more inflated, with a deeper hinge-plate, stronger teeth, and the ligament is not visible externally.

Length is up to 4.5 mm, height 3.7 mm, and thickness 2.3 mm.

Status

  • Not listed in IUCN red list - not evaluated (NE) [1]
  • The Czech Republic - least concern (LC) [2]
  • Germany - distributed in whole Germany. High endangered (Stark gefährdet) in Hessen, critically endangered (vom Aussterben bedroht) in Sachsen. Pisidium casertanum ponderosum endangered (gefährdet) in Brandenburg.[3]
  • Netherlands [4]
  • New Zealand - common.

References

  1. ^ 2006 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Cited 1 April 2007.
  2. ^ Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.
  3. ^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
  4. ^ http://www.anemoon.org/anm/voorlopige-kaarten/zoetwatermollusken/wetenschappelijk/pisidium-casertanum/


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