TaxNo: 6170Marianoceras hesperium
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Reticuloceratidae
|
| Subfamily: |
Surenitinae
|
| Genus: |
Marianoceras
|
| Species: | hesperium |
| Qualifier: | ss |
| Author: |
Korn 1997,p.71
|
| Lower Boundary: |
GBY R1--R2(P.coreticulatum--P.gracilis), 315 million years
|
| Upper Boundary: |
GBY R2--G1 (superbiling.--C.cancellatum), 313.8 million years
|