Suborder:
|
Agoniatitina
|
Superfamily:
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Agoniatitoidea
|
Family:
|
Pinacitidae |
Qualifier:
|
fa |
Author:
|
Schindewolf 1933,p.99
|
Lower Boundary:
|
Emsian--Eifelian [dm96:00,00] [EMS--EIF], 397.5 million years
|
Upper Boundary:
|
mid.--up.varcus Zone [17,00], 389 million years
|