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
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Genus:
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Lusitanoceras
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Species:
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sp. |
Qualifier:
|
in |
Author:
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div. authors
|
Lower Boundary:
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DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|
Upper Boundary:
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Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|