TaxNo: 4589Cyclolobus ruzhencevi
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: |
Cyclolobinae
|
| Genus: |
Cyclolobus
|
| Species: | ruzhencevi |
| Qualifier: | ss |
| Author: |
Zakharov 1983,p.127
|
| Lower Boundary: |
AZB base Araxoceras beds, 260.4 million years
|
| Upper Boundary: |
AZB Araxoceras--Vedioceras beds, 256 million years
|