TaxNo: 252Dzhaprakoceras improcerum
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Maxigoniatitidae
|
| Subfamily: |
Dzhaprakoceratinae
|
| Genus: |
Dzhaprakoceras
|
| Species: | improcerum |
| Qualifier: | ss |
| Author: |
Kuzina 1980,p.50
|
| Lower Boundary: |
RUN Kos'vinskii gorizont base, 349 million years
|
| Upper Boundary: |
RUN Kos'vinskii--Nortnichskii, 340 million years
|