Genus Cylindrica
- Species total:
- 1
- Age range:
- 500 - 395 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Cylindrica | Ordovician | Silurian |
|
Genus Cylindrica
- Species total:
- 1
- Age range:
- 500 - 395 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Cylindrica | Ordovician | Silurian |
|