Genus Ulanisphaeridium
- Species total:
- 2
- Age range:
- 280 - 267 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ulanisphaeridium | Late Permian | Late Permian |
|
| Ulanisphaeridium berryense | Asselian | Sakmarian |
|
Genus Ulanisphaeridium
- Species total:
- 2
- Age range:
- 280 - 267 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Ulanisphaeridium | Late Permian | Late Permian |
|
| Ulanisphaeridium berryense | Asselian | Sakmarian |
|