Suborder:
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Goniatitina
|
Superfamily:
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Goniatitoidea
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Family:
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Goniatitidae
|
Genus:
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Lusitanoceras |
Qualifier:
|
ge |
Author:
|
Pereira de Sousa 1923,p.304
|
Lower Boundary:
|
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|
Upper Boundary:
|
ESC Alba Fm. Aguasalio 4b--5, 327.2 million years
|