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Suborder:
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Tornoceratina
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Superfamily:
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Karagandoceratoidea
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Family:
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Karagandoceratidae
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Genus:
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Masonoceras
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Species:
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sp. |
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Qualifier:
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in |
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Author:
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div. authors
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Lower Boundary:
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AUN Namoi Formation base, 353 million years
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Upper Boundary:
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AUN Dangarfield Formation base, 350 million years
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