Cladida

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m (Protected "Cladida" [move=sysop])
 
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The [[dorsal]] cup is [[dicyclic]], and there are three circlets of plates, consisting of [[radial plate|radials]], [[basal plate|basals]], and [[infrabasal plate|infrabasals]].  The [[crown]]s of some species attain a height of at least 30 cm.
The [[dorsal]] cup is [[dicyclic]], and there are three circlets of plates, consisting of [[radial plate|radials]], [[basal plate|basals]], and [[infrabasal plate|infrabasals]].  The [[crown]]s of some species attain a height of at least 30 cm.
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==Phylogeny==
 
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[[Crinoidea|<==]]Cladida [Cladoidea, Dicyclica, Fistulata]
 
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    |  ''i. s.'': ''Plicodendrocrinus'' [Plicodendrocrinidae]
 
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    |          `--''P. casei'' (Meek 1871) [=''Dendrocrinus casei'']
 
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    |        ''Pyrenocrinus''
 
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    |--*''Compagicrinus fenestratus''
 
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    `--+--+--*''Elpasocrinus radiatus''
 
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      |  |--[[Cyathocrinida]]
 
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      |  `--[[Dendrocrinida]]
 
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      `--Flexibilia [Anisocrininae, Articulosa, Flexibilida, Impinnata]
 
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            |  ''i. s.'': ''Archaetaxocrinus'' Lewis 1981
 
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            |          `--*''A. burfordi''
 
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            |        ''Asutaraecrinus'' Yakovlev 1956
 
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            |--[[Taxocrinida]]
 
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            `--Sagenocrinida [Sagenocrinoidea]
 
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                |--[[Ichthyocrinidae]]
 
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                |--[[Sagenocrinitacea]]
 
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                `--[[Lecanocrinacea]]
 
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<nowiki>*</nowiki> Type species of generic name indicated
 
== References ==
== References ==
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Anon. 1978. Unassigned taxa. In ''Treatise on Invertebrate Paleontology'' pt. T. ''Echinodermata 2. Crinoidea'' (R. C. Moore & C. Teichert, eds.) vol. 3 p. T928. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).
 
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Ausich, W. I. 1998. Early phylogeny and subclass division of the Crinoidea (phylum Echinodermata). ''Journal of Paleontology'' 72 (3): 499-510.
 
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Eckert, J. D., & C. E. Brett. 2001. Early Silurian (Llandovery) crinoids from the Lower Clinton Group, western New York State. ''Bulletins of American Paleontology'' 360: 1-88.
 
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McIntosh, G. C. 2001. Devonian cladid crinoids: Families Glossocrinidae Goldring, 1923, and Rutkowskicrinidae new family. ''Journal of Paleontology'' 75 (4): 783-807.
 
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Moore, R. C. 1978. Flexibilia. In ''Treatise on Invertebrate Paleontology'' pt. T. ''Echinodermata 2. Crinoidea'' (R. C. Moore & C. Teichert, eds.) vol. 2 pp. T759-T812. The Geological Society of America, Inc.: Boulder (Colorado), and The University of Kansas: Lawrence (Kansas).
 
Moore, R. C., C. G. Lalicker & A. G. Fischer. 1952. ''Invertebrate Fossils''. McGraw-Hill Book Company, Inc.: New York.
Moore, R. C., C. G. Lalicker & A. G. Fischer. 1952. ''Invertebrate Fossils''. McGraw-Hill Book Company, Inc.: New York.
==Credit==
==Credit==
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intro MAK061201, phylogeny CKT080225
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MAK061201

Latest revision as of 06:13, 10 October 2012

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