TaxNo: 7133Nodogastrioceras cyclocostatum
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Paragastrioceratidae
|
| Genus: |
Nodogastrioceras
|
| Species: | cyclocostatum |
| Qualifier: | sn |
| Author: |
Ma & Li 1998,p.85
|
| Valid: |
Nodogastrioceras discum (TAX7119) |
| Lower Boundary: |
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|
| Upper Boundary: |
Permian--Triassic (Induan base), 251 million years
|