| Name | From | To | Age range |
|---|---|---|---|
| Illinites pemphicus | Late Atokan | Zechstein |
|
| Illinites paucitaeniatus | Late Atokan | Early Permian |
|
| Illinites parvus | Late Atokan | Ladinian |
|
| Illinites novus | Late Atokan | Late Permian |
|
| Illinites notus | Late Atokan | Artinskian |
|
| Illinites nitellus | Late Atokan | Late Atokan |
|
| Illinites minus | Namurian | Stephanian |
|
| Illinites melanocorpus | Late Atokan | Early Keuper |
|
| Illinites latus | Asselian | Asselian |
|
| Illinites kosankei | Late Atokan | Norian |
|
| Illinites klausi | Late Atokan | Ladinian |
|
| Illinites inicus | Gipskeuper | Gipskeuper |
|
| Illinites incus | Late Westphalian C | Early Westphalian D |
|
| Illinites hennellyi | Early Permian | Middle Permian |
|
| Illinites goldi | Late Atokan | Late Atokan |
|
| Illinites gamsi | Late Atokan | Ladinian |
|
| Illinites elegans | Carboniferous | Rotliegendes |
|