Genus Chiastonella
- Species total:
- 1
- Age range:
- 456.67 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Chiastonella headii | Late Ordovician | Late Ordovician |
|
Genus Chiastonella
- Species total:
- 1
- Age range:
- 456.67 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Chiastonella headii | Late Ordovician | Late Ordovician |
|