Anodonta


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Anodonta

 

a genus of freshwater bivalve mollusks of the family Unionidae.

The shells of Anodonta (up to 25 cm) consist of two oval valves connected on the dorsal side by an elastic ligament. There are no hinge teeth. There are about 50 widely distributed species of Anodonta. They live in stagnant or slowly flowing waters and feed on bacteria, algae, and decaying organic matter suspended in the water. The larvae (glochidia) are parasites on the skin offish. Anodonta are used as food. The shells of many species of Anodonta serve as raw material for the button industry.

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Tissue damage and leukocytic infiltration following attachment of the mite Unionicola intermedia to the gills of the bivalve mollusc Anodonta anatina.
Interestingly, for each of the three cases involving intraspecific variations (Donax trunculus, Unio pictorum, and Anodonta cygnea), the recorded type of covariance (covar.
Distinct glutathione-dependent enzyme activities and a verapamil-sensitive binding of xenobiotics in a fresh-water mussel Anodonta cygnea.
In contrast, this study and other recent research confirmed only 16 species for the Missouri River and floodplain adjacent to Nebraska, including two species (Anodonta suborbiculata and Leptodea leptodon) that appear to be restricted to that region (Hoke, 1983, 2009; Clarke, 1996; Backlund, 2000; Perkins and Backlund, 2000; Shearer et al.
(a) ANODONTA (Web2), DAWNWARD, EPANAPHE (aig), HOOROOSH, SELFLESSS, SYNONYMS
Others (Uniomerus tetralasmus, Pyganodon grandis, Anodonta imbecillis, Ligumia subrostrata) were collected by Hartfield and Rummel "from oxbows or [were] found dead below oxbows draining into the river" (Hartfield and Rummel, 1985:119).
Pynnonen, Viability of Flochidia of Two Species of Anodonta Exposed to Low pH and Selected Metals, 70 CANADIAN J.
On the other hand, at least four introduced aquatic invertebrates occur in the area: Asiatic clam (Corbicula fluminea), paper floater mussel (Anodonta imbecillus), crayfish (Procambarus, probably P.
There are also real pearls of lesser quality produced by some fresh-water mollusks (Unio, Anodonta).