Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Maxigoniatitidae
|
Subfamily:
|
Bollanditinae
|
Genus:
|
Bollandites
|
Species:
|
donetsensis |
Qualifier:
|
ss |
Author:
|
Kuzina 1991,p.37
|
Lower Boundary:
|
DER Pe delta, nasutus Z. base [09.25], 334.5 million years
|
Upper Boundary:
|
DER Go alpha 2--Go alpha 3 [11.60], 332.3 million years
|