plural noun

in some classifications
: a subclass of Crustacea comprising the Branchiopoda, Ostracoda, Copepoda, and Cirripedia, groups regarded by most modern systematists as too diverse for inclusion in a single subclass, the name then being used as a term of convenience without taxonomic implications
adjective or noun

Word History


New Latin, from entom- + -ostraca (from Greek ostrakon earthen vessel, potsherd, shell)

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Dictionary Entries Near Entomostraca

Cite this Entry

“Entomostraca.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Entomostraca. Accessed 18 Apr. 2024.

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