plural noun

: a small class (formerly an order of Cystoidea) of widely distributed Paleozoic echinoderms having a movable tail or stalk, a bilaterally compressed body, and no evident traces of radial symmetry

Word History


New Latin, from carp- entry 1 + -oidea

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Dictionary Entries Near Carpoidea

Cite this Entry

“Carpoidea.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

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