Staurocephalites |
Staurocephalites aequilateralis
|
Africa(Sahara) |
Middle Devonian |
Late Devonian |
Staurocephalites |
Staurocephalites appositus
|
Africa(Sahara) |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites arcuatus
|
Africa(Sahara) |
Middle Devonian |
Late Devonian |
Staurocephalites |
Staurocephalites arcus
|
Africa(Sahara) |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites calcaratus
|
Africa(Sahara) |
Middle Devonian |
Late Devonian |
Staurocephalites |
Staurocephalites kielanae
|
Africa(Sahara) |
Middle Gothlandian |
|
Staurocephalites |
Staurocephalites kielanae
|
Africa(Sahara) |
Middle Devonian |
|
Ungulites |
Ungulites tridens
|
Africa(Sahara) |
Early Devonian |
Middle Devonian |
Anisocerasites |
Anisocerasites fillingensis
|
Europe |
Quaternary |
|
Anisocerasites |
Anisocerasites weidmanni
|
Europe |
Quaternary |
|
Arabellites |
Arabellites anglicus
|
Europe |
Middle Ordovician |
|
Arabellites |
Arabellites angustidens
|
Europe |
Middle Gothlandian |
Late Gothlandian |
Arabellites |
Arabellites angustus
|
Europe |
Middle Gothlandian |
|
Arabellites |
Arabellites arcuatus
|
Europe |
Middle Devonian |
|
Arabellites |
Arabellites arcuatus
|
Europe |
Middle Gothlandian |
|
Arabellites |
Arabellites ascialis
|
Europe |
Late Ordovician |
|
Arabellites |
Arabellites biconvexus
|
Europe |
Permian |
|