Genus Incertae sedis
- Species total:
- 139
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Incertae sedis a | Thanetian | Priabonian |
|
| Incertae sedis 1 Heil.,1985 | Paleocene | Early Eocene |
|
| Incertae sedis | Cambrian | Holocene |
|