Suborder:
|
Goniatitina
|
Superfamily:
|
Cycloloboidea
|
Family:
|
Vidrioceratidae
|
Genus:
|
Tabantalites
|
Species:
|
bifurcatus* |
Qualifier:
|
ss |
Author:
|
Ruzhencev 1952,p.77
|
Lower Boundary:
|
Gzhelian--Asselian [C--P], 299 million years
|
Upper Boundary:
|
Tastubian--Sterlitamakian [TAS--STE], 290 million years
|