Genus Callospermarion
- Species total:
- 3
- Age range:
- 345 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Callospermarion | Middle Pennsylvanian | Middle Pennsylvanian |
|
| Callospermarion pusillum | Carboniferous | Carboniferous |
|
| Callospermarion sp | Carboniferous | Carboniferous |
|