Genus Problematikum
- Species total:
- 2
- Age range:
- 500 - 94 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Problematikum sp.A | Ordovician | Cenomanian |
|
| Problematikum sp.B | Ordovician | Ordovician |
|
Genus Problematikum
- Species total:
- 2
- Age range:
- 500 - 94 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Problematikum sp.A | Ordovician | Cenomanian |
|
| Problematikum sp.B | Ordovician | Ordovician |
|