Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Maxigoniatitidae
|
Genus:
|
Bollandoceras
|
Species:
|
occidentale |
Qualifier:
|
ss |
Author:
|
Korn, D & Titus, A 2011, p. 154
|
Lower Boundary:
|
DER Goniatites hudsoni base[GBY:B1--B2a], 333.3 million years
|
Upper Boundary:
|
DER hudsoni--globostriat. [GBY:B2a--B2b], 332.5 million years
|