Definition of Ophiuroidea in English:

Ophiuroidea

plural noun

Zoology
  • A class of echinoderms that comprises the brittlestars.

    • ‘Members of the Asteroidea are often called ‘true starfish’ and are closely related to the Ophiuroidea, having a common ancestor in the Ordovican.’
    • ‘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.’

Origin

Modern Latin (plural), based on the genus name Ophiura, from Greek ophis ‘snake’ + oura ‘tail’.

Pronunciation

Ophiuroidea

/ˌɒfɪ(j)ʊəˈrɔɪdɪə/