plural noun
Car·​poi·​dea | \ kärˈpȯidēə\

Definition of Carpoidea

: 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

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History and Etymology for Carpoidea

New Latin, from carp- entry 1 + -oidea

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