Suborder:
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Goniatitina
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Superfamily:
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Goniatitoidea
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Family:
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Goniatitidae
|
Genus:
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Paraglyphioceras |
Qualifier:
|
ge |
Author:
|
Brüning 1923,p.22
|
Lower Boundary:
|
DER Go alpha 3--Go alpha 4 [13.00], 332 million years
|
Upper Boundary:
|
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|