Tasmanites |
Tasmanites finkii
sp. nov. |
Brazil(Para) |
Middle Devonian |
|
Tasmanites |
Tasmanites sommeri
|
Brazil(Para) |
Middle Devonian |
|
Portalites |
Portalites gondwanensis
|
Brazil(Rio Grande Sul) |
Permian |
|
Ammonidium |
Ammonidium microfurcatum
|
Canada |
Middle Devonian |
|
Baltisphaeridium |
Baltisphaeridium microfurcatum
|
Canada |
Middle Devonian |
|
Oppilatala |
Oppilatala ramusculosa
|
Canada |
Middle Devonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium ramusculosum
|
Canada |
Middle Devonian |
|
Leiosphaeridia |
Leiosphaeridia frankii
sp. nov. |
Canada(Alberta) |
Late Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium sprucegrovense
|
Canada(Alberta) |
Late Devonian |
|
Palaeostomocystis |
Palaeostomocystis glabella
|
Canada(Alberta) |
Late Albian |
|
Protoleiosphaeridium |
Protoleiosphaeridium granulosum
|
Canada(Alberta) |
Late Devonian |
|
Corrugasphaera |
Corrugasphaera
|
Canada(Newfoundland) |
Middle Cambrian |
|
Corrugasphaera |
Corrugasphaera terranova
|
Canada(Newfoundland) |
Middle Cambrian |
|
Rugasphaera |
Rugasphaera terranovana
|
Canada(Newfoundland) |
Middle Cambrian |
|
Acanthotriletes |
Acanthotriletes hacquebardii
|
Canada(Nova Scotia) |
Mississippian |
|
Dactylofusa |
Dactylofusa rochesterensis
|
Canada(Ontario) |
Wenlockian |
|
Elektoriskos |
Elektoriskos simplex
|
Canada(Ontario) |
Wenlockian |
|