| Name | From | To | Age range |
|---|---|---|---|
| Illichitina novempopulanica | Llandeilian | Llandeilian |
|
| Illichitina obtusa | Llandoverian | Early Devonian |
|
| Illichitina ornata | Early Llanvirnian | Late Llandeilian |
|
| Illichitina parvidecipiens | Llandoverian | Llandoverian |
|
| Illichitina secunda | Early Llanvirnian | Middle Llandeilian |
|
| Illichitina sp | Ordovician | Devonian |
|
| Illichitina sp.1 | Middle Siegenian | Middle Siegenian |
|
| Illichitina sp.2 | Silurian | Silurian |
|
| Illichitina sp.3 | Middle Siegenian | Middle Siegenian |
|
| Illichitina taugourdeaui | Silurian | Silurian |
|
| Illichitina taugourdoti | Nd | Nd |
|