Suborder:
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Tornoceratina
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Superfamily:
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Karagandoceratoidea
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Family:
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Karagandoceratidae
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Genus:
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gen.nov.III aff.Karagand. |
Qualifier:
|
of |
Author:
|
Becker & Weyer 2004,p.29
|
Lower Boundary:
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DER Ps. westfalicus--Paragattend. patens, 358 million years
|
Upper Boundary:
|
mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
|