Carpoidea

plural noun

Car·​poi·​dea

kärˈpȯidēə

: 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

Etymology

New Latin, from carp- entry 1 + -oidea

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