Suborder:
|
Tornoceratina
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Superfamily:
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Praeglyphioceratoidea
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Family:
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Sporadoceratidae
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Genus:
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Erfoudites
|
Species:
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spiriferus |
Qualifier:
|
ss |
Author:
|
Lange 1929,p.43
|
Lower Boundary:
|
UD3A--UD3B:(P.pseudogoniat.base) [13,80], 368.8 million years
|
Upper Boundary:
|
UD3C--UD4A:(annulata Zone base) [14,90], 367.6 million years
|