Staurocephalites |
Staurocephalites liratus
sp. nov. |
Canada(Ontario) |
Devonian |
|
Staurocephalites |
Staurocephalites longirostris
sp. nov. |
Canada(Ontario) |
Devonian |
|
Staurocephalites |
Staurocephalites longus
sp. nov. |
Canada(Ontario) |
Devonian |
|
Staurocephalites |
Staurocephalites sp
|
Ohio |
Devonian |
|
Staurocephalites |
Staurocephalites sp
|
Ohio |
Devonian |
|
Ungulites |
Ungulites fusus
sp. nov. |
Canada(Ontario) |
Devonian |
|
Ungulites |
Ungulites glyptus
sp. nov. |
Canada(Ontario) |
Devonian |
|
Ungulites |
Ungulites indigestus
sp. nov. |
Ohio |
Devonian |
|
Ungulites |
Ungulites lupatus
sp. nov. |
Ohio |
Devonian |
|
Ungulites |
Ungulites sp
|
Canada(Ontario) |
Devonian |
|
Vistulella |
Vistulella
|
Nd |
Nd |
|