Suborder:
|
Clymeniina
|
Superfamily:
|
Clymenioidea
|
Family:
|
Platyclymeniidae
|
Genus:
|
Platyclymenia
|
Species:
|
laticostata |
Qualifier:
|
sy |
Author:
|
Czarnocki 1989,p.55
|
Valid:
|
Platyclymenia richteri Wedekind 1914 |
Lower Boundary:
|
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|
Upper Boundary:
|
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|