Genus Psophosphaera
- Species total:
- 105
- Age range:
- 4100 - 0.01 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Psophosphaera circumtexta | Liassic | Liassic |
|
| Psophosphaera amphystoma | Late Permian | Late Permian |
|
| Psophosphaera rugosa | Late Devonian | Late Devonian |
|