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Suborder:
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Goniatitina 
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Superfamily:
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Goniatitoidea 
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Family:
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Goniatitidae 
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Genus:
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Paraglyphioceras 
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Species:
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myrtilense | 
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Qualifier:
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ss | 
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Author:
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	Feio 1946,p.112	 
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Lower Boundary:
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DER Go alpha 3--Go alpha 4  [13.00], 332 million years
 
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Upper Boundary:
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DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
 
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