Crinoidea

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Related to Crinoids: class Crinoidea, Sea lilies
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Crinoidea - sea liliesCrinoidea - sea lilies        
Echinodermata, phylum Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
crinoid - primitive echinoderms having five or more feathery arms radiating from a central disk
class - (biology) a taxonomic group containing one or more orders
References in periodicals archive ?
Zhivkovich, to study the fossil fish and crinoids of Silurian and Devonian deposits of the Ufimian Amphitheatre.
The end-Permian mass extinction played a pivotal role in the reversal of taxonomic and numerical dominance of the brachiopods, crinoids, and corals ( i.
An international research team found 425,000,000-year-old fossilized remnants of juvenile crinoids, a distant ancestor of today's sea lilies, encased in iron oxide and limestone in the Austrian Alps.
1/19832) a study in the journal Geologica Acta, researchers found rare fossils of young crinoids in the limestone and iron oxide of the Cardiola Formation, on the border of Italy and Austria.
Some of the massive marly levels also show evidences of reworking, supported by the presence of bioclasts and/or reworked fossils, mainly of brachiopods, belemnites, bivalves, crinoids and ammonites, which are in cases concentrated in bioclastic rills.
Then there are the fossils found here: gastropods and cephalopods, crinoids and bryozoans, worm holes and tracks.
The invertebrate fossils identified by Woodward and Salter were largely molluscs (marine bivalves and gastropods), brachiopods, corals, bryozoans, and crinoids, from both Permian and Carboniferous rock (Lamont, 1861:301-312).
Fossils of crinoids from Crawfordsville, Indiana are known worldwide for their abundance, completeness, and large size.
The author and David Harper (now a professor at Durham University) have collaborated since 1987 on a research program on Antillean brachiopods and crinoids in deep-water sedimentary deposits.
Crinoids tended to grow on the edges of the reefs, so reef limestone is usually surrounded by limestone containing many crinoid fossils.
Different types of fauna, observed in the formation, include brachiopods, bryozoans, crinoids, bivalves and foraminifera (fusulinids).