Suborder:
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Clymeniina
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Superfamily:
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Clymenioidea
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Family:
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Platyclymeniidae
|
Genus:
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Platyclymenia |
Qualifier:
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ge |
Author:
|
Hyatt 1884,p.314
|
Lower Boundary:
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UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|
Upper Boundary:
|
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|