| Name | From | To | Age range |
|---|---|---|---|
| Illinites unicus | Late Devonian | Rupelian |
|
| Illinites elegans | Carboniferous | Rotliegendes |
|
| Illinites | Early Gondwana | Early Cretaceous |
|
| Illinites sp. Virg.,1987 | Late Paleozoic | Late Paleozoic |
|
| Illinites delasaucei | Early Gondwana | Ladinian |
|
| Illinites sp | Carboniferous | Early Cretaceous |
|
| Illinites purus | Carboniferous | Permian |
|
| Illinites minus | Namurian | Stephanian |
|
| Illinites diversiformis | Namurian B | Westphalian A |
|
| Illinites chitonoides | Early Pennsylvanian | Liassic |
|
| Illinites talchirensis | Late Atokan | Permian |
|
| Illinites melanocorpus | Late Atokan | Early Keuper |
|
| Illinites pemphicus | Late Atokan | Zechstein |
|
| Illinites paucitaeniatus | Late Atokan | Early Permian |
|
| Illinites notus | Late Atokan | Artinskian |
|
| Illinites tectus | Late Atokan | Triassic |
|
| Illinites kosankei | Late Atokan | Norian |
|