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Suborder:
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Tornoceratina 
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Superfamily:
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Tornoceratoidea 
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| 
Family:
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Tornoceratidae 
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| 
Subfamily:
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Falcitornoceratinae 
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Genus:
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Phoenixites 
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| 
Species:
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varicatus | 
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Qualifier:
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ss | 
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Author:
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	Wedekind 1918,p.136	 
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| 
Lower Boundary:
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UD1L--UD2A:(frechi Zone base)    [06,10], 374.5 million years
 
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| 
Upper Boundary:
 | 
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
 
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