Suborder:
|
Goniatitina
|
Superfamily:
|
Neoicoceratoidea
|
Family:
|
Paragastrioceratidae
|
Subfamily:
|
Pseudogastrioceratinae
|
Genus:
|
Grabauites |
Qualifier:
|
gy |
Author:
|
Sun 1939,p.41
|
Valid:
|
Strigogoniatites Spath 1934 TAX5283 |
Lower Boundary:
|
RIT Bitauni beds base, 275.6 million years
|
Upper Boundary:
|
Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
|