Genus Trachydiscina
- Species total:
- 2
- Age range:
- 4100 - 500 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trachydiscina | Precambriam | Cambrian |
|
| Trachydiscina sp | Late Riphean | Late Riphean |
|
Genus Trachydiscina
- Species total:
- 2
- Age range:
- 4100 - 500 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trachydiscina | Precambriam | Cambrian |
|
| Trachydiscina sp | Late Riphean | Late Riphean |
|