TaxNo: 6494Richardsonites? dubius
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Richardsonites?
|
| Species: | dubius |
| Qualifier: | ss |
| Author: |
Kuzina 1999,p.117
|
| Lower Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|
| Upper Boundary: |
Serpukhovian--Bashkirian [SPK--BSH], 318.1 million years
|