Definition of crinoid in English:


Pronunciation /ˈkrīˌnoid/ /ˈkraɪˌnɔɪd/


  • An echinoderm of the class Crinoidea, which comprises the sea lilies and feather stars.

    ‘Commonly, the host is a brachiopod, but it may be a coral, bryozoan colony, crinoid stem, or mollusk.’
    • ‘The entire fauna is typically shallow-marine, composed of crinoids, brachiopods, corals, and bryozoans.’
    • ‘Gogia is an eocrinoid, a member of a grouping of early echinoderms that probably included the ancestors of true crinoids and other echinoderm taxa.’
    • ‘A very productive synergism developed among crinoid biologists, crinoid paleontologists, and those who worked in both fields.’
    • ‘Echinoid and crinoid fragments are preserved on a number of bedding planes, indicating normal salinity levels.’


  • Relating to or denoting crinoids.

    ‘Grainy rocks in the upper third contain an abundance of disarticulated crinoid debris.’
    • ‘Alpha taxonomy must still play a vital role in the crinoid research agenda.’
    • ‘The fauna is dominated by common fenestrate bryozoans and crinoid ossicles.’
    • ‘The Graphic mine in the same district is known for smithsonite replacements after crinoid stems and mollusk shells.’
    • ‘Most of the sphinctozoans and crinoid stems are found almost complete and articulated, lying parallel to bedding.’