Protarabellites |
Protarabellites
|
Nd |
Nd |
|
Protarabellites |
Protarabellites humilis
|
Nd |
Nd |
|
Pteropelta |
Pteropelta
|
Nd |
Nd |
|
Ramphoprion |
Ramphoprion elongatus
|
Poland |
Ordovician |
|
Rhytiprion |
Rhytiprion magnus
|
Poland |
Ordovician |
|
Schistomeringos |
Schistomeringos expectatus
|
Poland |
Late Jurassic |
|
Schistomeringos |
Schistomeringos rudolphi
|
Poland |
Recent |
|
Sciotoprion |
Sciotoprion klondikensis
|
USA |
Middle Devonian |
|
Serratula |
Serratula
|
Nd |
Nd |
|
Serratula |
Serratula minutidentata
|
Nd |
Nd |
|
Siluropelta |
Siluropelta
|
Nd |
Nd |
|
Siluropelta |
Siluropelta lata
|
Nd |
Nd |
|
Skalenoprion |
Skalenoprion
|
Nd |
Nd |
|
Skalenoprion |
Skalenoprion alatus
|
Poland |
Ordovician |
|
Staurocephalites |
Staurocephalites
|
Canada |
Late Devonian |
|
Staurocephalites |
Staurocephalites alterostris
|
Nd |
Nd |
|
Symmetroprion |
Symmetroprion reduplicatus
|
Poland |
Silurian |
|