river mussel

noun

especially of genera Unio and Anodonta, both found in rivers of the central U.S. with a shell lined with mother-of-pearl.

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Meanings

nounriver mussel (plural river mussels)

plural river mussels

  1. Certain bivalve mollusks of order Unionida, found in flowing fresh water:
    1. USespecially of genera Unio and Anodonta, both found in rivers of the central U.S. with a shell lined with mother-of-pearl.
    2. Australiaspecies Alathyria jacksoni within the family Hyriidae
Cite this entry
APA

river mussel. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/river%20mussel

MLA

“river mussel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/river%20mussel. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “river mussel,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/river%20mussel.

Source: river mussel on Wiktionary, CC BY-SA 4.0.