Genus Illaenus
- Species total:
- 2
- Age range:
- 478.33 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Illaenus angustifrons | Hirnantian | Hirnantian |
|
| Illaenus intermedius | Middle Ordovician | Middle Ordovician |
|
Genus Illaenus
- Species total:
- 2
- Age range:
- 478.33 - 0 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Illaenus angustifrons | Hirnantian | Hirnantian |
|
| Illaenus intermedius | Middle Ordovician | Middle Ordovician |
|