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 ?
2009) advanced the hypothesis that crinoids have two types of stem cells, resident stem cells and circulating stem cells; however, only one type, which gives rise to certain coelomocytes, has been identified (Eliseikina et al.
A number of studies have focused on documenting the temporal, taxonomic and paleogeographic distribution of swollen crinoid material, as well as the causes of malformations.
The preservation state of the crinoid remains suggests fast burial near the living site, in a high-energy environment.
The area contains abundant fossils, including ancient corals and trilobites, but only recently did anyone discover that these particular rock samples also contained the crinoid holdfasts.
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.
Then there are the fossils found here: gastropods and cephalopods, crinoids and bryozoans, worm holes and tracks.
Crinoids tended to grow on the edges of the reefs, so reef limestone is usually surrounded by limestone containing many crinoid fossils.
In the rock, also a diluted dispersion of fragmented crinoid brachial ossicles was observed, as well as small dacryoconarid and other shells.
Crinoid, Bivalve, Brachiopod, Fusulinid, Bryozoanal Calcareous Sandstone Facies (MF9): This facies is 3.
ICON The original Hoff SPOOKY A white sea star UNUSUAL A stalked crinoid GRIPPING Stalked barnacles DISCOVERY A new octopus FULL FLOW Large anemone
As fish populations thrived in the Devonian, crinoid diversity and abundance remained low despite favorable conditions.
And on the beach at Holy Island, you can pick up St Cuthbert's Beads, the little coins of crinoid stems.