Name | From | To | Age range |
---|---|---|---|
Polychaetaspis oklahomensis | Early Ordovician | Middle Ordovician |
|
Polychaetaspis sp.B Hint.,1998 | Johvi | Keila |
|
Polychaetaspis incisus | Middle Ordovician | Oandu |
|
Polychaetaspis sp.A Hint.,1998 | Llandeilian | Rakvere |
|
Polychaetaspis gadomskae | Middle Ordovician | Late Ashgillian |
|
Polychaetaspis tuberculatus | Ordovician | Late Ordovician |
|
Polychaetaspis varsoviensis | Middle Ordovician | Late Ashgillian |
|
Polychaetaspis sp | Ordovician | Wenlockian |
|
Polychaetaspis wyszogrodensis | Ordovician | Wenlockian |
|
Polychaetaspis warkae | Ordovician | Silurian |
|
Polychaetaspis aequilateralis | Silurian | Late Gothlandian |
|
Polychaetaspis latus | Early Ordovician | Silurian |
|
Polychaetaspis | Ordovician | Silurian |
|
Polychaetaspis obliquus | Nd | Nd |
|
Polychaetaspis cooperi | Devonian | Devonian |
|
Polychaetaspis marlenediesae | Nd | Nd |
|
Polychaetaspis hindei | Late Devonian | Late Devonian |
|