What is the meaning of River_mussel?
Certain Any bivalve mollusks of family Unionidae, found in flowing fresh water:
- especially of genera Unio and Anodonta, both found in rivers of the central U.S. with a shell lined with mother-of-pearl.
- especially of species Alathyria jacksoni.
especially of genera Unio and Anodonta, both found in rivers of the central U.S. with a shell lined with mother-of-pearl.
especially of species Alathyria jacksoni.
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