Meaning of Asteroidea in English:


Pronunciation /ˌastəˈrɔɪdɪə/

plural noun

  • A class of echinoderms that comprises the starfishes.

    ‘A traditional hypothesis of the Echinodermata using only extant taxonomic groups places the Asteroidea and Ophiuroidea as sister groups based on the shared derived characteristic of a five-rayed body plan.’
    • ‘The phylogeny and taxonomy of the Asteroidea led Gregory to begin his paper with a note of frustration: ‘The classification of the Palaeozoic starfishes has long been in chaos.’’
    • ‘The body outline is similar to the Asteroidea, in that they have five arms joined to a central disk (calyx).’
    • ‘True starfish are classified in the Asteroidea, a group of echinoderms.’
    • ‘Together, the two ancient fossils demonstrate that the class Asteroidea was established by early in the Ordovician.’
    • ‘Members of the Asteroidea are often called ‘true starfish’ and are closely related to the Ophiuroidea, having a common ancestor in the Ordovician.’


Modern Latin (plural), from Greek asteroeidēs ‘starlike’, from astēr ‘star’.