Suborder:
|
Agoniatitina
|
Superfamily:
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Mimoceratoidea
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Family:
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Mimoceratidae
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Genus:
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Gyroceratites
|
NomSpecies:
|
dorsolamellatus
|
Species:
|
dorsolamellatus |
Qualifier:
|
ss |
Author:
|
Erben 1953,p.185
|
Lower Boundary:
|
DEH Hasselfelde Lst. base, 402 million years
|
Upper Boundary:
|
DEH Hasselfelde Lst. top, 398 million years
|