TaxNo: 2366Syngastrioceras dronovi*
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Syngastrioceras
|
| Species: | dronovi* |
| Qualifier: | ss |
| Author: |
Ruzhencev & Bog. 1978,p.153
|
| Lower Boundary: |
RUS Nm2a1--Nm2a2 (H.coronat.--Hu.proteus, 317.7 million years
|
| Upper Boundary: |
RUS Nm2a2--Nm2b1,Reticuloc.-Bashkortoc.G, 317.2 million years
|