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crinoid

Syllabification: cri·noid
Pronunciation: /ˈkrīˌnoid
 
/
Zoology

Definition of crinoid in English:

noun

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

adjective

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Relating to or denoting crinoids.
Example sentences
  • 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.

Derivatives

crinoidal

1
Pronunciation: /ˈkrīˌnoidl/
adjective
Example sentences
  • Lithologically, the most abundant carbonate rock type is an argillaceous, coarse-grained crinoidal packstone, but finer grained packstones, grainstones, calcareous siltstones, and shales are also present.
  • The echinoderms appear to be particularly abundant in an interval up to 0.5 m below a 25-30 cm ledge-forming crinoidal grainstone with small micritic bioherms.
  • The Haight Creek is primarily composed of dolomitic mudstones and wackestones with abundant chert interbeds and thin, discontinuous crinoidal packstones.

Definition of crinoid in:

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