Genus Contortothrix
- Species total:
- 3
- Age range:
- 1746.67 - 650 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Contortothrix | Late Precambrian | Late Precambrian |
|
| Contortothrix sp | Middle Riphean | Late Riphean |
|
| Contortothrix vermiformis | Late Precambrian | Late Precambrian |
|