Dreissenidae: Difference between revisions
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{{Short description|Family of bivalves}} |
{{Short description|Family of bivalves}} |
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{{unreferenced|page|date=January 2016}} |
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{{Automatic taxobox |
{{Automatic taxobox |
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| image = Dreissena polymorpha1.jpg |
| image = Dreissena polymorpha1.jpg |
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==Genera== |
==Genera== |
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Genera within the family Dreissenidae include: |
Genera within the family Dreissenidae include: |
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* ''[[Congeria]]'', a unique genus of cave-dwelling bivalves <ref>{{cite journal |last1=Bilandžija |first1=Helena |last2=Morton |first2=Brian |last3=Podnar |first3=Martina |last4=Ćetković |first4=Helena |title=Evolutionary history of relict Congeria (Bivalvia: Dreissenidae): unearthing the subterranean biodiversity of the Dinaric Karst |journal=Frontiers in Zoology |date=6 February 2013 |volume=10 |issue=1 |pages=5 |doi=10.1186/1742-9994-10-5 |url=http://www.frontiersinzoology.com/content/10/1/5 |access-date=12 March 2022 |issn=1742-9994}}</ref> |
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* ''[[Congeria]]'', a unique genus of cave-dwelling bivalves [http://www.frontiersinzoology.com/content/10/1/5] |
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* ''[[Dreissena]]'', the [[type genus]] of the family |
* ''[[Dreissena]]'', the [[type genus]] of the family |
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* ''[[Mytilopsis]]'' |
* ''[[Mytilopsis]]'' |
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* ''[[Rheodreissena]]'', a newly described South American genus |
* ''[[Rheodreissena]]'', a newly described South American genus <ref>{{cite web |title=Molluscabase - Rheodreissena Geda, Lujan, Perkins, Abernethy, Sabaj & Gangloff, 2018 |url=http://www.molluscabase.org/aphia.php?p=taxdetails&id=1288058 |website=www.molluscabase.org |language=en}}</ref>] |
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==Shell morphology== |
==Shell morphology== |
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Revision as of 23:40, 12 March 2022
| Dreissenidae | |
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| Three shells of Dreissena polymorpha without the byssus, showing the range of color and markings | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Myida |
| Superfamily: | Dreissenoidea |
| Family: | Dreissenidae Gray, 1840 |
| Genera | |
The Dreissenidae are a family of small freshwater mussels, aquatic bivalve molluscs. They attach themselves to stones or to any other hard surface using a byssus. The shells of these bivalves are shaped somewhat like those of true mussels, and they also attach themselves to a hard substrate using a byssus, however this group is not at all closely related to true mussels, being more closely related to the venus clams (Veneridae).
Genera
Genera within the family Dreissenidae include:
- Congeria, a unique genus of cave-dwelling bivalves [1]
- Dreissena, the type genus of the family
- Mytilopsis
- Rheodreissena, a newly described South American genus [2]]
Shell morphology
The shells of species of mussels in this family range from 20–40 mm in their maximum dimension, and about half as wide across. The shell outline is bent, with one margin usually somewhat incurved, and the other strongly curved outwardly. The shell is opaque and robust; in coloration it is yellowish, brownish or greyish, often with light-and-dark stripes.
Biology and ecology
These mussels breathe via complex gills. They live in clean, well oxygenated, lowland rivers, canals and reservoirs, attaching to stones and other hard surfaces; they will also tolerate slightly brackish water.
Geographical range of distribution
In Britain there is only one species from this family, Dreissena polymorpha, the zebra mussel, which is a troublesome invasive species. In the USA, both D. polymorpha and D. bugensis are problematic introduced species.
External links
- ^ Bilandžija, Helena; Morton, Brian; Podnar, Martina; Ćetković, Helena (6 February 2013). "Evolutionary history of relict Congeria (Bivalvia: Dreissenidae): unearthing the subterranean biodiversity of the Dinaric Karst". Frontiers in Zoology. 10 (1): 5. doi:10.1186/1742-9994-10-5. ISSN 1742-9994. Retrieved 12 March 2022.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ "Molluscabase - Rheodreissena Geda, Lujan, Perkins, Abernethy, Sabaj & Gangloff, 2018". www.molluscabase.org.