Genus Umbilisaccites
- Species total:
- 3
- Age range:
- 283 - 263.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Umbilisaccites | Late Stephanian | Early Permian |
|
| Umbilisaccites elongatus | Early Permian | Early Permian |
|
| Umbilisaccites medius | Late Permian | Late Permian |
|