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Suborder:
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Goniatitina
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Superfamily:
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Schistoceratoidea
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Family:
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Pseudoparalegoceratidae
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Genus:
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Pseudoparalegoceras
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Species:
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russiense+ |
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Qualifier:
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ss |
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Author:
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Tsvetaeva 1888,p.2
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Lower Boundary:
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Kashirian--Podolskian [KSK--POD], 308.6 million years
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Upper Boundary:
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Moscovian--Kasimovian [MOS--KAS], 306.5 million years
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