Genus Ptychocarpus
- Species total:
- 6
- Age range:
- 570 - 174 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ptychocarpus | Carboniferous | Carboniferous |
|
| Ptychocarpus densus | Paleozoic | Permian |
|
| Ptychocarpus hexastichus | Westphalian A | Westphalian A |
|
| Ptychocarpus sp | Paleozoic | Early Jurassic |
|
| Ptychocarpus srivastavae | Permian | Permian |
|
| Ptychocarpus unitus | Paleozoic | Paleozoic |
|