Brittle-star | definition of brittle-star by Medical dictionary
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brittle star any member of the Class Ophiuroidea - Echinoderms which possess usually five slender arms, clearly distinct from the central disc which lacks an anus. The number of arms is more variable than in starfish Class ASTEROIDEA.
References in periodicals archive
On the ecology of a dense bed of the brittle-star
Aspects of space utilization in shallow-water brittle-stars (Echinodermata; Ophiuroidea) of Discovery Bay, Jamaica.
Interference competition between brittle-stars? Pp.