Suborder:
|
Clymeniina
|
Superfamily:
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Clymenioidea
|
Family:
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Platyclymeniidae
|
Genus:
|
Trigonoclymenia |
Qualifier:
|
gy |
Author:
|
Schindewolf 1934,p.343
|
Valid:
|
Platyclymenia (Trigonoclymenia) TAX4103 |
Lower Boundary:
|
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|
Upper Boundary:
|
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|