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blastid

noun
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blas·​tid
plural -s

Definition of blastid

: an echinoderm or fossil of the class Blastoidea

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History and Etymology for blastid

blast- + -id

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“Blastid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blastid. Accessed 26 Jan. 2021.

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