Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Maxigoniatitidae
|
Subfamily:
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Dzhaprakoceratinae
|
Genus:
|
Dzhaprakoceras
|
Species:
|
deflexum |
Qualifier:
|
ss |
Author:
|
Kuzina 1980,p.58
|
Lower Boundary:
|
GBY lower--upper Chadian [CHD], 345.3 million years
|
Upper Boundary:
|
RUN Nortnichskiy gorizont top, 339 million years
|