Suborder:
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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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Sporadoceras?
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Species:
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sp. |
Qualifier:
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in |
Author:
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div. authors
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Lower Boundary:
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UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|
Upper Boundary:
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UD6C2--UD6D1:parad.--Wo.sphaeroi.[18,90], 361.6 million years
|