Skalenoprion |
Skalenoprion alatus
|
Europe |
Early Ordovician |
Late Gothlandian |
Skalenoprion |
Skalenoprion bugensis
|
Europe |
Late Gothlandian |
|
Staurocephalites |
Staurocephalites broennimanni
|
Europe |
Quaternary |
|
Staurocephalites |
Staurocephalites serrula
|
Europe |
Middle Gothlandian |
|
Staurocephalites |
Staurocephalites taugourdeausi
|
Europe |
Quaternary |
|
Symmetroprion |
Symmetroprion reduplicatus
|
Europe |
Middle Gothlandian |
Late Gothlandian |
Synclinophora |
Synclinophora synclinalis
|
Europe |
Nd |
|
Tetraprion |
Tetraprion pozaryskae
|
Europe |
Middle Ordovician |
|
Trinaguligenys |
Trinaguligenys lacinatus
|
Europe |
Late Devonian |
|
Uncinogenys |
Uncinogenys uncinatus
|
Europe |
Late Devonian |
|
Vistulella |
Vistulella kozlowskii
|
Europe |
Ordovician |
Silurian |
Xanioprion |
Xanioprion borealis
|
Europe |
Middle Ordovician |
|
Xanthoprion |
Xanthoprion erraticus
|
Europe |
Middle Ordovician |
|
Arabellites |
Arabellites aciculatus
|
Nd |
Nd |
|
Arabellites |
Arabellites alfredensis
|
Nd |
Nd |
|
Arabellites |
Arabellites armillaris
|
Nd |
Nd |
|
Arabellites |
Arabellites bipennis
|
Nd |
Nd |
|