TaxNo: 2728Kazakhoceras boreale
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Berkhoceratidae
|
| Genus: |
Kazakhoceras
|
| Species: | boreale |
| Qualifier: | sy |
| Author: |
Librovitch 1957,p.260
|
| Valid: | Kazakhoceras yanshini Ruzhentsev 1947 |
| Lower Boundary: |
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
| Upper Boundary: |
RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
|