Suborder:
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Tornoceratina
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Superfamily:
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Tornoceratoidea
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Family:
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Pseudoclymeniidae
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Genus:
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Pseudoclymenia
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Species:
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orensis |
Qualifier:
|
ss |
Author:
|
Nalivkina 1953,p.76
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Lower Boundary:
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UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
|
Upper Boundary:
|
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|