Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Maxigoniatitidae
|
Subfamily:
|
Dzhaprakoceratinae
|
Genus:
|
Dzhaprakoceras
|
Species:
|
flexiforme |
Qualifier:
|
ss |
Author:
|
Kuzina & Konovalova 2004,p.15
|
Lower Boundary:
|
Fascip./Ammon.--Bollandoc./Bollandit. BZ, 345.3 million years
|
Upper Boundary:
|
Bollandoc./Bollandit.--Beyrichoceras BZ, 334.5 million years
|