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Suborder:
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Goniatitina
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Superfamily:
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Goniatitoidea
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Family:
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Goniatitidae
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Genus:
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Goniatites
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Species:
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antiquatus |
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Qualifier:
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sy |
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Author:
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Bisat 1934,p.302
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Valid:
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Goniatites hudsoni Bisat 1934 |
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Lower Boundary:
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Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
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Upper Boundary:
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DER Go alpha 2--Go alpha 3 [11.60], 332.3 million years
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