TaxNo: 2433Marianoceras marianum+
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Reticuloceratidae
|
| Subfamily: |
Surenitinae
|
| Genus: |
Marianoceras
|
| Species: | marianum+ |
| Qualifier: | ss |
| Author: |
Verneuil 1845,p.369
|
| Lower Boundary: |
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
| Upper Boundary: |
RUS Nm2c1--Nm2c2 (V.vern.--B.superbil.), 314.2 million years
|