Ptychopariida

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m (Protected "Ptychopariida" ([move=sysop] (indefinite)))
 
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==Phylogeny==
 
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[[Polymera|<==]]Ptychopariida [Ptychopariina]
 
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    |  ''i. s.'': ''[[Cyclolorenzella]]''
 
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    |        [[Lisaniidae]]
 
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    |        Onchonotinidae
 
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    |          |--''Onchonotina'' Lu 1961
 
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    |          `--''Onchonotus'' Raymond 1924
 
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    |        ''Quebecaspis''
 
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    |        ''Taenicephalites'' Rasetti 1961 [Parabolinoididae]
 
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    |          |--*''T. macrops'' Rasetti 1961
 
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    |          `--''T. plerus'' Shergold 1980
 
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    |        ''Taenicephalus''
 
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    |          |--''T. megalops'' Kobayashi 1938
 
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    |          `--''T. polyaricus'' Rosova 1963
 
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    |        [[Shumardiidae]]
 
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    |        ''Guizhoucephalina'' Chien 1961
 
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    |          `--*''G. longispina'' Chien 1961
 
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    |        ''[[Onchonotellus]]''
 
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    |        [[Leiostegiacea]]
 
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    |        ''Elrathia kingi''
 
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    |        ''Triarthrus''
 
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    |--+--[[Olenacea]]
 
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    |  `--[[Phacopida]]
 
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    `--+--Calymenina
 
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      |    |--''Flexicalymene meeki''
 
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      |    `--''Calymene''
 
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      |--+--[[Ptychoparioidea]]
 
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      |  `--''Basidechenella'' [Corynexochida]
 
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      |      `--''B. lucasensis''
 
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      |--Asaphida [Asaphina]
 
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      |    |  ''i. s.'': ''Isotelus gigas''
 
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      |    |--[[Asaphacea]]
 
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      |    |--[[Ceratopygidae]]
 
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      |    |--[[Cyclopygidae]]
 
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      |    `--[[Dikelocephalacea]]
 
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      `--Illaenida [Illaenina]
 
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            |--''Scutellum''
 
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            `--''Bumastus''
 
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                |--''B. insignis''
 
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                `--''B. ioxus''
 
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<nowiki>*</nowiki> Type species of genus indicated
 
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== References ==
 
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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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Hong, P. S., J. G. Lee & D. K. Choi. 2003. Trilobites from the ''Lejopyge armata'' zone (upper Middle Cambrian) of the Machari Formation, Yongwol Group, Korea. ''Journal of Paleontology'' 77 (5): 895-907.
 
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Owens, R. M. 2002. Cyclopygid trilobites from the Ordovician Builth-Llandrindod Inlier, central Wales. ''Palaeontology'' 45 (3): 469-485.
 
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Prothero, D. R. 1998. ''Bringing Fossils to Life: An introduction to paleobiology''. WCB McGraw-Hill: Boston.
 
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Shergold, J. H. 1980. Late Cambrian trilobites from the Chatsworth Limestone, western Queensland. ''Bureau of Mineral Resources, Geology and Geophysics – Bulletin'' 186: 1-111.
 
==Links==
==Links==
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==Credits==
==Credits==
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CKT071122 (phylogeny and references); [[Wikipedia]] (Introduction)
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[[Wikipedia]] (Introduction)

Latest revision as of 23:59, 14 June 2014

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