Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
|
Paraceltitidae |
Qualifier:
|
fa |
Author:
|
Spath 1930,p.13
|
Lower Boundary:
|
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
Upper Boundary:
|
Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
|