Suborder:
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Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Gastrioceratidae
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Genus:
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Cancelloceras
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Subgenus:
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Crencelloceras
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Species:
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soliari |
Qualifier:
|
ss |
Author:
|
Nikolaeva & Kullm. 1995,p.373
|
Lower Boundary:
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Marsdenian--Yeadonian [MRD--YEA], 313.8 million years
|
Upper Boundary:
|
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|