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Suborder:
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Tornoceratina
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Superfamily:
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Prionoceratoidea
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Family:
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Prionoceratidae
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Subfamily:
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Prionoceratinae
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Genus:
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Globimitoceras |
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Qualifier:
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gy |
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Author:
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Korn 1993,p.585
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Valid:
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Paragattendorfia Schindewolf,1924 [TAX3014 ] |
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Lower Boundary:
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Devonian--Carboniferous Boundary [DCB], 359.2 million years
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Upper Boundary:
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KAK Kassini top, 353 million years
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