Suborder:
|
Clymeniina
|
Superfamily:
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Clymenioidea
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Family:
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Platyclymeniidae
|
Genus:
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Platyclymenia
|
Subgenus:
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Platyclymenia |
Qualifier:
|
gs |
Author:
|
Hyatt 1884,p.314
|
Lower Boundary:
|
UD3C--UD4A:(annulata Zone base) [14,90], 367.6 million years
|
Upper Boundary:
|
UD4C--UD5A:serpent.--Cl.laevigata[16,75], 365.6 million years
|