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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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Subfamily:
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Sellagoniatitinae |
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Qualifier:
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fy |
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Author:
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Korn & Klug 2002,p.89
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Valid:
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Agoniatitidae Holzapfel TAX370 |
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Lower Boundary:
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Zlichovian--Dalejan (l.--u.Ems.) [14,20], 404 million years
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Upper Boundary:
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mid.--up.varcus Zone [17,00], 389 million years
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