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Suborder:
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Agoniatitina
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Superfamily:
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Agoniatitoidea
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Family:
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Agoniatitidae
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Genus:
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Agoniatites
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Species:
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expansus |
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Qualifier:
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sh |
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Author:
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Vanuxem 1842,p.146
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Valid:
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Agoniatites vanuxemi Hall,1879,p.434 |
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Lower Boundary:
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Eifel.--Givetian [dm96:08,20] [EIF--GIV], 391.8 million years
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Upper Boundary:
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MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years
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