Suborder:
|
Prolecanitina
|
Superfamily:
|
Medlicottioidea
|
Family:
|
Pronoritidae |
Qualifier:
|
fa |
Author:
|
Frech 1901,p.481
|
Lower Boundary:
|
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
Upper Boundary:
|
Wuchiapingian--Changhsingian [DZH--CHX], 253.8 million years
|