TaxNo: 4485Syngastrioceras ukrainicum
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Syngastrioceras
|
| Species: | ukrainicum |
| Qualifier: | ss |
| Author: |
Librovitch 1939,p.137
|
| Lower Boundary: |
Diabol./Winsl--Paralego./Eowellerites GZ, 309.5 million years
|
| Upper Boundary: |
U Atokan--Desmoinesian [ATO--DES], 308.6 million years
|