Suborder:
|
Goniatitina
|
Superfamily:
|
Goniatitoidea
|
Family:
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Agathiceratidae
|
Genus:
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Agathiceras
|
Species:
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applanatum |
Qualifier:
|
ss |
Author:
|
Teichert 1944,p.85
|
Lower Boundary:
|
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
Upper Boundary:
|
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|