Cornuspiracea

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m (Protected "Cornuspiracea" ([move=sysop] (indefinite)))
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'''Systematics''' <br>
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<u>Systematic Paleontology</u> <br>
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Order: [[Foraminifera]] <br>
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Class: [[Foraminifera]] <br>
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Suborder: [[Miliolina]] <br>
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Order: [[Miliolina|Miliolida]] <br>
Superfamily: '''Cornuspiracea'''
Superfamily: '''Cornuspiracea'''
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The '''Cornuspiracea''' is a superfamily of milioline foraminifera; the test free or attached, and consisting of a single, undivided, tubular chamber following the proloculus. The test wall is calcareous, porcelaneous, imperorate, as for the suborder.  Genera are variable in form and may be planispirally, streptospirally, or irregularly coiled, become uncoiled., or even show a zig-zag growth pattern.   
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The '''Cornuspiracea''' is a superfamily of foraminifera included within the Miliolida; test free or attached, and consisting of a single, undivided, tubular or spreading chamber following the proloculus; test wall calcareous, porcelaneous, imperforate, as for the order.  Genera are variable in form and may be planispirally, streptospirally, or irregularly coiled, become uncoiled, or even show a zig-zag growth pattern.   
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Living Cornuspiracea are included in the family [[Cornuspiridae]] which includes [[Cornuspirinae|Cornuspira]] and   [[Meandrospirinae|Meandrospira]]
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The Conuspiracea Reuss, 1860, of Loeblich and Tappan, 1988, is generally equivalent and senior to the Fischerinidae Millett,1898, of Loeblich and Tappan 1964 in part C of the Treatise on Invertebrate Paleontology, elevated in rank. Families included are the: <br/>
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*Cyclogyridae, second chamber generally tubular and coiled, ''Carb-Rec''. <br/>
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*Fischerinidae, whorls planispiral or conical ''Jur-Rec''. <br/>
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*Calcivertellidae, test attached, second chamber tubular, ''Penn-Jura''.
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'''Taxonomy''' <br>
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Higher taxa are according the Loeblich and Tappan (1988).
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Credids: [[user:John M|John]] 8/31/12
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Credits: [[user:John M|John]] 8/31/12. Modified 2/17/13

Latest revision as of 02:42, 18 February 2013

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