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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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Pseudarietitidae
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Subfamily:
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Pseudarietitinae
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Genus:
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Paralytoceras
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Species:
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ammonitiforme |
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Qualifier:
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ss |
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Author:
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Etheridge 1892,p.292
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Lower Boundary:
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AUN Namoi Formation base, 353 million years
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Upper Boundary:
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AUN Dangarfield Formation base, 350 million years
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