crinoid


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Related to crinoid: class Crinoidea, Sea lilies
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Words related to crinoid

primitive echinoderms having five or more feathery arms radiating from a central disk

References in periodicals archive ?
The Kaugatuma Formation traces were made in crinoid grainstone with marl interlayers, those of the Kuressaare Formation in clayey limestone containing fine fossil debris.
When a crinoid dies, the tissue will start to decay, but calcite will precipitate into the pores, and calcite is stable over geologic time.
Not all of the crinoid species from that period showed a dramatic increase in regeneration.
Crinoids also feature on the knobbly bollards linked by a chain round the Steble Fountains, in front of the Walker Art Gallery.
The pressures of millenniums bearing down on silt, loess, leaves, sediments and settlings, mollusca and curd, chiton and crinoid.
The most common structure-forming invertebrates (98% of total) included the crinoid Florometra serratissima (40%), the brittle star (Ophiacantha spp.
Small crinoid fragments are embedded in many of the crystalline grains and can be seen in the Legislative Building.
Gr eek flourishes again in "Old-Time Childhood in Kentucky" where "At a cave mouth my uncle showed me crinoid stems" (560, 1.
Many of the blastoid and crinoid stems are extremely thin and may not have been able to withstand high-energy currents.
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Shallow-water crinoids are absent in the tropical eastern Pacific, so crinoid-associated species of Periclimenes are missing.
This is followed upwards by a series of stromatoporoid boundstones with varying fauna, such as crinoid and brachiopods, and a gradual decline in Girvanella, Rothpletzella and Hedstroemia until they are absent at approximately 1.
Huge (Araxilevis) and moderate productida, such as Tschernyschewia, Compresoproductus, and huge Orthotetina such as Orthotetina eusarkos (Abich), along with the coral Plentamplexus leptoconicus (Abich 1878) and the crinoid Erisocrinus araxensis (Yakovlev and Ivanov, 1965) represent significant fossils from this biota association.