| Name | From | To | Age range |
|---|---|---|---|
| Polychaetaspis tuberculatus | Ordovician | Late Ordovician |
|
| Polychaetaspis varsoviensis | Middle Ordovician | Late Ashgillian |
|
| Polychaetaspis warkae | Ordovician | Silurian |
|
| Polychaetaspis wyszogrodensis | Ordovician | Wenlockian |
|