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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Tornoceratinae
|
Genus:
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Kourazoceras
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Species:
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elhassani |
Qualifier:
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ss |
Author:
|
|
Lower Boundary:
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UD2C--UD2D:(globosum Zone base) [10,00], 372.8 million years
|
Upper Boundary:
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UD2D--UD2E:globosum--P.petterae [11,30], 372 million years
|