feather star

Noun
  1. Free-swimming stalkless crinoid with ten feathery arms;
    Found on muddy sea bottoms (synset 102323822)
    is a type of: crinoid - primitive echinoderms having five or more feathery arms radiating from a central disk
    belongs to: antedon, genus antedon - a genus of echinoderms of the family Antedonidae
    same as: comatulid

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