| Name | From | To | Age range |
|---|---|---|---|
| Illinites diversiformis | Namurian B | Westphalian A |
|
| Illinites disectus | Late Atokan | Late Atokan |
|
| Illinites delasaucei | Early Gondwana | Ladinian |
|
| Illinites chitonoides | Early Pennsylvanian | Liassic |
|
| Illinites boehnerii | Westphalian D | Stephanian |
|
| Illinites bentzi | Late Atokan | Ladinian |
|
| Illinites | Early Gondwana | Early Cretaceous |
|