Genus Orthotheca
- Species total:
- 2
- Age range:
- 345 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Orthotheca | Nd | Nd |
|
| Orthotheca treviranii | Carboniferous | Carboniferous |
|
Genus Orthotheca
- Species total:
- 2
- Age range:
- 345 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Orthotheca | Nd | Nd |
|
| Orthotheca treviranii | Carboniferous | Carboniferous |
|