Genus Stephanostoma
- Species total:
- 1
- Age range:
- 345 - 230 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Stephanostoma crystallinum | Carboniferous | Permian |
|
Genus Stephanostoma
- Species total:
- 1
- Age range:
- 345 - 230 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Stephanostoma crystallinum | Carboniferous | Permian |
|