|
Suborder:
|
Goniatitina
|
|
Superfamily:
|
Thalassoceratoidea
|
|
Family:
|
Bisatoceratidae
|
|
Genus:
|
Pseudobisatoceras
|
|
Species:
|
gorbovense |
|
Qualifier:
|
ss |
|
Author:
|
Kuzina 1999,p.122
|
|
Lower Boundary:
|
Bashkirian--Moscovian [BSH--MOS], 311.7 million years
|
|
Upper Boundary:
|
Diabol./Winsl--Paralego./Eowellerites GZ, 309.5 million years
|