Orthopelta |
Orthopelta bifida
|
Nd |
Nd |
|
Orthopelta |
Orthopelta femuralis
|
Nd |
Nd |
|
Orthopelta |
Orthopelta femuralis
|
Nd |
Nd |
|
Orthopelta |
Orthopelta synclinalis
|
Sweden |
Ordovician |
|
Palaeodactylophora |
Palaeodactylophora
|
Nd |
Nd |
|
Palaeopelyx |
Palaeopelyx gotlandicus
sp. nov. |
Sweden |
Ordovician |
|
Palaeopelyx |
Palaeopelyx ohesaaricus
|
Sweden |
Ordovician |
|
Paleoenonites |
Paleoenonites sp
|
Finland |
Ordovician |
|
Paleosigma |
Paleosigma
|
Nd |
Nd |
|
Paraglycerites |
Paraglycerites antedentatus
|
Nd |
Nd |
|
Paraglycerites |
Paraglycerites nelans
|
Nd |
Nd |
|
Paranereites |
Paranereites balticus
|
Nd |
Nd |
|
Polychaetaspis |
Polychaetaspis warkae
|
Baltic |
Ordovician |
Silurian |
Siluropelta |
Siluropelta
|
Nd |
Nd |
|
Siluropelta |
Siluropelta calcaratus
|
Nd |
Nd |
|
Staurocephalites |
Staurocephalites balticus
sp. nov. |
Baltic |
Caradocian |
|
Staurocephalites |
Staurocephalites balticus
sp. nov. |
USSR(Estonian SSR) |
Ordovician |
|