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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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Pinnacitidae |
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Qualifier:
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fy |
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Author:
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Hyatt 1900,p.550
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Valid:
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Pinacitidae nom.corr. Schindewolf,1933,p.99 TAX404 |
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Lower Boundary:
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Emsian--Eifelian [dm96:00,00] [EMS--EIF], 397.5 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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