Genus Polytheca
- Species total:
- 2
- Age range:
- 289 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polytheca | Late Pennsylvanian | Late Pennsylvanian |
|
| Polytheca elongata | Late Pennsylvanian | Late Pennsylvanian |
|
Genus Polytheca
- Species total:
- 2
- Age range:
- 289 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Polytheca | Late Pennsylvanian | Late Pennsylvanian |
|
| Polytheca elongata | Late Pennsylvanian | Late Pennsylvanian |
|