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pyramid shell

noun
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Definition of pyramid shell

: a mollusk of the family Pyramidellidae or its shell

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History and Etymology for pyramid shell

pyramid short for pyramidellid entry 1

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“Pyramid shell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyramid%20shell. Accessed 22 Jan. 2021.

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