Staurocephalites |
Staurocephalites heppenstallae
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites icosidactylus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites insolens
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites kayi
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites kielanae
|
Africa(Sahara) |
Middle Gothlandian |
|
Staurocephalites |
Staurocephalites kielanae
|
Africa(Sahara) |
Middle Devonian |
|
Staurocephalites |
Staurocephalites latibrachiatus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites liratus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites longirostris
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites longus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites mccallae
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites mierowae
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites nettingi
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites niagarensis
|
Nd |
Nd |
|
Staurocephalites |
Staurocephalites paquettensis
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites pyramis
|
North America |
Early Gothlandian |
|
Staurocephalites |
Staurocephalites serrula
|
Europe |
Middle Gothlandian |
|