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Suborder:
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Goniatitina 
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Superfamily:
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Dimorphoceratoidea 
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Family:
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Girtyoceratidae 
 | 
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Subfamily:
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Girtyoceratinae 
 | 
| 
Genus:
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Edmooroceras 
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| 
Species:
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sp. | 
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Qualifier:
 | 
in | 
| 
Author:
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	div. authors 	 
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| 
Lower Boundary:
 | 
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
 
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| 
Upper Boundary:
 | 
DER lowest E1--E1 alpha, 326 million years
 
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