TaxNo: 6429Okafujiceras isaense+
| Suborder: |
Goniatitina
|
| Superfamily: |
Gonioloboceratoidea
|
| Family: |
Gonioloboceratidae
|
| Genus: |
Okafujiceras
|
| Species: | isaense+ |
| Qualifier: | ss |
| Author: |
Nishida & Kyuma 1982,p.40
|
| Lower Boundary: |
U Halian--Bloydian, Brentwood base, 313 million years
|
| Upper Boundary: |
UAR Brentwood Lst.--Woolsey, 312.5 million years
|