Definition of Ophiuroidea in English:
A class of echinoderms that comprises the brittlestars.
- Of all echinoderms, the Ophiuroidea may have the strongest tendency toward 5-segment radial symmetry.
- Brittle stars of the Ophiuroidea are predators, deposit feeders, scavengers, and suspension feeders, which feed by outstretching their arms to capture prey.
- Members of the Asteroidea are often called ‘true starfish’ and are closely related to the Ophiuroidea, having a common ancestor in the Ordovican.
Definition of Ophiuroidea in:
- US English dictionary
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