Suborder:
|
Goniatitina
|
Superfamily:
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Pericycloidea
|
Family:
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Muensteroceratidae
|
Genus:
|
Beyrichoceratoides
|
Species:
|
sp.* |
Qualifier:
|
of |
Author:
|
Bisat 1952,p.175
|
Lower Boundary:
|
DER Go alpha 1--Go alpha 2 [11.00], 333 million years
|
Upper Boundary:
|
DER Go alpha 2--Go alpha 3 [11.60], 332.3 million years
|