class Crinoidea
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| Noun | 1. |  class Crinoidea - sea lilies Echinodermata, phylum Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers crinoid - primitive echinoderms having five or more feathery arms radiating from a central disk genus Ptilocrinus, Ptilocrinus - sea lilies Antedonidae, family Antedonidae - feather stars class - (biology) a taxonomic group containing one or more orders |
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