TaxNo: 2952Syngastrioceras stenumbilicatum
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Syngastrioceras
|
| Species: | stenumbilicatum |
| Qualifier: | ss |
| Author: |
Ruan 1981,p.191
|
| Lower Boundary: |
CNG Qixu 13 base, 320 million years
|
| Upper Boundary: |
CNG Qixu 16 top, 309.5 million years
|