ophiuroid

[of-ee-yoor-oid, oh-fee-]
noun
1.
any echinoderm of the subclass Ophiuroidea, including brittle stars, basket stars, and others, characterized by elongate arms radiating from the disk.
adjective
2.
of or pertaining to the subclass Ophiuroidea.

Origin:
1885–90; < Neo-Latin Ophiuroidea the class, equivalent to Ophiur(a) the type genus (< Greek ophíoura, feminine of ophíouros serpent-tailed (ophí(s) snake + -ouros adj. derivative of ourá tail)) + -oidea -oidea

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Feeding shifted from a crustacean-based diet to an ophiuroid-based diet with increasing fish size.
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