| Name | From | To | Age range |
|---|---|---|---|
| Ildraites beckeri | Late Gothlandian | Late Gothlandian |
|
| Ildraites sp | Ludlovian | Ludlovian |
|
| Ildraites howelli | Wenlockian | Frasnian |
|
| Ildraites duplex | Silurian | Silurian |
|
| Ildraites geminus | Early Gothlandian | Early Gothlandian |
|
| Ildraites limatus | Late Ordovician | Late Ordovician |
|
| Ildraites cyclus | Late Ordovician | Late Ordovician |
|
| Ildraites exquisitus | Late Ordovician | Late Ordovician |
|
| Ildraites infractus | Late Ordovician | Late Ordovician |
|
| Ildraites patulus | Late Ordovician | Early Gothlandian |
|
| Ildraites horridus | Late Ordovician | Early Gothlandian |
|
| Ildraites peramplus | Late Ordovician | Early Gothlandian |
|
| Ildraites pooseri | Late Ordovician | Late Ordovician |
|
| Ildraites fritzae | Late Ordovician | Late Ordovician |
|
| Ildraites camurus | Middle Ordovician | Middle Ordovician |
|
| Ildraites rarus | Middle Ordovician | Middle Ordovician |
|
| Ildraites fuehri | Ordovician | Ordovician |
|