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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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Gattendorfiidae
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Genus:
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Kazakhstania
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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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GBC Matthews 1970 base, 353 million years
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Upper Boundary:
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GBC Matthews 1970 top, 351 million years
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