Suborder:
|
Tornoceratina
|
Superfamily:
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Prionoceratoidea
|
Family:
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Prionoceratidae
|
Subfamily:
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Acutimitoceratinae
|
Genus:
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Nicimitoceras
|
Species:
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acre aff. |
Qualifier:
|
sy |
Author:
|
Bartzsch & Weyer 1981,p.21
|
Valid:
|
Bartzschiceras cf. mirandum TAX6890 |
Lower Boundary:
|
DER Ps. westfalicus--Paragattend. patens, 358 million years
|
Upper Boundary:
|
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|