TaxNo: 1148Sandbergeroceras gerassimovi*
| Suborder: |
Anarcestina
|
| Superfamily: |
Triainoceratoidea
|
| Family: |
Triainoceratidae
|
| Genus: |
Sandbergeroceras
|
| Species: | gerassimovi* |
| Qualifier: | ss |
| Author: |
Bogoslovsky 1958,p.127
|
| Lower Boundary: |
mid.--up.varcus Zone [17,00], 389 million years
|
| Upper Boundary: |
Givetian--Frasnian [GIV--FRS], 385.3 million years
|