Suborder:
|
Agoniatitina
|
Superfamily:
|
Agoniatitoidea
|
Family:
|
Parentitidae |
Qualifier:
|
fa |
Author:
|
Bogoslovsky 1980,p.64
|
Lower Boundary:
|
LD3C--LD3D: Anetoceras Range Zone top, 405.5 million years
|
Upper Boundary:
|
CZB maureri--sulc.antiqua Zone [19,30], 398.5 million years
|