Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
|
Dzhulfitidae |
Qualifier:
|
fa |
Author:
|
Shevyrev 1965,p.172
|
Lower Boundary:
|
Iranites/Phison.--Paratirol./Shevyrev., 253.4 million years
|
Upper Boundary:
|
AZB Paratirolites--Pleuronodoceras beds, 251.5 million years
|