01 n. pl. A tribe of Ophiuroidea, including the genera Euryale, Astrophyton, etc. They generally have the arms branched. See Astrophyton.
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1.
A tribe of Ophiuroidea, including the genera Euryale, Astrophyton, etc. They generally have the arms branched. See Astrophyton.(Zoöl.) See: Astrophyton