TaxNo: 2217Sulcogirtyoceras sagittarium
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Girtyoceratinae
|
| Genus: |
Sulcogirtyoceras
|
| Species: | sagittarium |
| Qualifier: | ss |
| Author: |
Ruzhencev & Bog. 1971,p.177
|
| Lower Boundary: |
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
| Upper Boundary: |
RUS Nm1a1--Nm1a2 (P.cloudi--Do.miranda), 327.4 million years
|