Suborder:
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Tornoceratina
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Superfamily:
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Prionoceratoidea
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Family:
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Prionoceratidae
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Subfamily:
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Acutimitoceratinae
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Genus:
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Costimitoceras
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Species:
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ornatum+ |
Qualifier:
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ss |
Author:
|
Vöhringer 1960,p.148
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Lower Boundary:
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DER Acutimit.acutum--Paproth.dorsoplanus, 358.8 million years
|
Upper Boundary:
|
DER Papr.dorsopl.--Pseudar.westfal. [00., 358.4 million years
|