Genus Goniocystis
- Species total:
- 3
- Age range:
- 2000 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Goniocystis | Middle Proterozoic | Middle Proterozoic |
|
| Goniocystis bicornis | Middle Proterozoic | Middle Proterozoic |
|
| Goniocystis tricornis | Middle Proterozoic | Middle Proterozoic |
|