Genus Illocystes
- Species total:
- 1
- Age range:
- 289 - 263.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Illocystes | Stephanian | Early Permian |
|
Genus Illocystes
- Species total:
- 1
- Age range:
- 289 - 263.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Illocystes | Stephanian | Early Permian |
|