Suborder:
|
Clymeniina
|
Superfamily:
|
Clymenioidea
|
Family:
|
Platyclymeniidae
|
Genus:
|
Trigonoclymenia
|
Species:
|
orientalis |
Qualifier:
|
ss |
Author:
|
Nikolaeva & Bogoslovsky 2005,p.79
|
Lower Boundary:
|
UD3C--UD4A:(annulata Zone base) [14,90], 367.6 million years
|
Upper Boundary:
|
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|