Genus Tympanicysta
- Species total:
- 4
- Age range:
- 280 - 195 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Tympanicysta sp | Permian | Ladinian |
|
| Tympanicysta | Permian | Triassic |
|
| Tympanicysta stoschiana | Dorashamian | Triassic |
|
| Tympanicysta sp.1 | Late Changhsingian | Late Changhsingian |
|