Staurocephalites |
Staurocephalites condensus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites cucullus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites cuneiformis
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites cuspis
|
North America |
Late Ordovician |
|
Staurocephalites |
Staurocephalites dentatus
|
North America |
Middle Ordovician |
|
Staurocephalites |
Staurocephalites devinctus
|
North America |
Late Ordovician |
|
Staurocephalites |
Staurocephalites ejectus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites eucharis
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites externus
|
North America |
Early Gothlandian |
|
Staurocephalites |
Staurocephalites fractus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites fraternus
|
North America |
Middle Devonian |
|
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 latibrachiatus
|
North America |
Middle Devonian |
|
Staurocephalites |
Staurocephalites liratus
|
North America |
Middle Devonian |
|