butterfly clam

noun
variants: or butterfly mussel

Definition of butterfly clam

: a freshwater mussel (Plagiola securis) found in the Ohio and Illinois rivers and reported to produce pearls of fine quality

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Learn More About butterfly clam

Dictionary Entries Near butterfly clam

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Cite this Entry

“Butterfly clam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/butterfly%20clam. Accessed 29 Jul. 2021.

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