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Crinoidea |
Also found in: Dictionary/thesaurus, Hutchinson | 0.43 sec. |
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Crinoidea: see Echinodermata Echinodermata (əkī'nōdûr`mətə) [Gr. ..... Click the link for more information. ; feather star feather star, common name of a class of echinoderms that, as juveniles, are attached to the sea bottom by a stalk with rootlike branches; the mouth side faces upward. In the adult stage they break away from the stalk and move about freely. ..... Click the link for more information. ; sea lily sea lily, stalked echinoderm of the class Crinoidea. Sea lilies are ancient, having reached their peak in the Middle Mississippian period; about 5,000 fossil species are known. About 80 modern species remain. ..... Click the link for more information. . |
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? Mentioned in | ? References in periodicals archive | |
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The stone is a light grey crinoidal packstone that contains abundant coral macrofossils (Fig. The wells utilized horizontal drilling techniques to explore three potential zones: the Middle Daly Member and the Cruickshank Crinoidal Member in the Lodgepole formation and the underlying Bakken formation. The wells utilized horizontal drilling techniques to explore three potential zones: the Middle Daly Member and the Cruickshank Crinoidal Member in the Lodgepole formation and the underlying Bakken formation. |
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