TaxNo: 7272tympanus
| Suborder: |
Goniatitina
|
| Species: | tympanus |
| Qualifier: | ss |
| Author: |
Korn et al. 2007,p.142
|
| Lower Boundary: |
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
| Upper Boundary: |
Beyrichoceras BZ top, 332.1 million years
|