Suborder:
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Tornoceratina
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Superfamily:
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Dimeroceratoidea
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Family:
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Phenacoceratidae
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Genus:
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Cycloclymenia
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Species:
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clymenioides |
Qualifier:
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ss |
Author:
|
Schindewolf 1923,p.417
|
Lower Boundary:
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UD5A--UD5B: ornata Zone base [17,10], 364.8 million years
|
Upper Boundary:
|
UD5B--UD5C:ornata--P.piriformis [17,50], 364.4 million years
|