Suborder:
|
Tornoceratina
|
Superfamily:
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Prionoceratoidea
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Family:
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Prionoceratidae
|
Subfamily:
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Prionoceratinae
|
Genus:
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Mimimitoceras |
Qualifier:
|
ge |
Author:
|
Korn 1988,p.606
|
Lower Boundary:
|
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
Upper Boundary:
|
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|