Genus Spirematospermum
- Species total:
- 2
- Age range:
- 22.5 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Spirematospermum | Early Miocene | Early Miocene |
|
| Spirematospermum wetzleri | Early Pontian | Early Pontian |
|
Genus Spirematospermum
- Species total:
- 2
- Age range:
- 22.5 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Spirematospermum | Early Miocene | Early Miocene |
|
| Spirematospermum wetzleri | Early Pontian | Early Pontian |
|