Genus Circumvaginalis
- Species total:
- 1
- Age range:
- 1450 - 650 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Circumvaginalis sp | Middle Riphean | Late Riphean |
|
Genus Circumvaginalis
- Species total:
- 1
- Age range:
- 1450 - 650 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Circumvaginalis sp | Middle Riphean | Late Riphean |
|