Suborder:
|
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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Bartzschiceras
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Species:
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mirandum+* |
Qualifier:
|
ss |
Author:
|
Becker & Weyer 2004,p.26
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Lower Boundary:
|
DER Ps. westfalicus--Paragattend. patens, 358 million years
|
Upper Boundary:
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low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|