TaxNo: 2299Syngastrioceras aktubense
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Syngastrioceras
|
| Species: | aktubense |
| Qualifier: | ss |
| Author: |
Ruzhencev & Bog. 1971,p.298
|
| Lower Boundary: |
RUS Nm1c1--Nm1c2(uralicus--Del.bressoni), 322 million years
|
| Upper Boundary: |
RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years
|