Suborder:
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Clymeniina
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Superfamily:
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Cyrtoclymenioidea
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Family:
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Cymaclymeniidae
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Genus:
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Cymaclymenia |
Qualifier:
|
ge |
Author:
|
Hyatt 1884,p.314
|
Lower Boundary:
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UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
Upper Boundary:
|
Devonian--Carboniferous Boundary [DCB], 359.2 million years
|