Suborder:
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Goniatitina
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Superfamily:
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Neoglyphioceratoidea
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Family:
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Neoglyphioceratidae
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Genus:
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Neoglyphioceras
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Species:
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spirale+ |
Qualifier:
|
ss |
Author:
|
Phillips 1841,p.121
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Lower Boundary:
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DER Go beta gracilis Z.--spirale Z. [13., 328.8 million years
|
Upper Boundary:
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DER rotundum--Go beta suerlandense, 328.4 million years
|