Genus Incertae sedis
- Species total:
- 139
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Incertae sedis type X | Visean | Westphalian D |
|
| Incertae sedis type Y | Visean | Westphalian D |
|
| Incertae sedis type Z | Visean | Westphalian D |
|