| Name | From | To | Age range |
|---|---|---|---|
| Illinites | Early Gondwana | Early Cretaceous |
|
| Illinites bentzi | Late Atokan | Ladinian |
|
| Illinites boehnerii | Westphalian D | Stephanian |
|
| Illinites chitonoides | Early Pennsylvanian | Liassic |
|
| Illinites delasaucei | Early Gondwana | Ladinian |
|
| Illinites disectus | Late Atokan | Late Atokan |
|
| Illinites diversiformis | Namurian B | Westphalian A |
|
| Illinites elegans | Carboniferous | Rotliegendes |
|
| Illinites gamsi | Late Atokan | Ladinian |
|
| Illinites goldi | Late Atokan | Late Atokan |
|
| Illinites hennellyi | Early Permian | Middle Permian |
|
| Illinites incus | Late Westphalian C | Early Westphalian D |
|
| Illinites inicus | Gipskeuper | Gipskeuper |
|
| Illinites klausi | Late Atokan | Ladinian |
|
| Illinites kosankei | Late Atokan | Norian |
|
| Illinites latus | Asselian | Asselian |
|
| Illinites melanocorpus | Late Atokan | Early Keuper |
|