Ochetodinium |
Ochetodinium
|
California |
Early Eocene |
Middle Eocene |
Agerasphaera |
Agerasphaera
|
California |
Danian |
|
Catastomocystis |
Catastomocystis
|
Canada(Alberta) |
Middle Cenomanian |
|
Dodekovia |
Dodekovia gochtii
|
Canada(Arctic) |
Toarcian |
Bathonian |
Apteodinium |
Apteodinium syzygium
|
Canada(Arctic) |
Toarcian |
Bathonian |
Dodekovia |
Dodekovia syzygia
|
Canada(Arctic) |
Toarcian |
Bathonian |
Susadinium |
Susadinium scrofoides
|
Canada(Arctic) |
Toarcian |
Bathonian |
Phallocysta |
Phallocysta
|
Canada(Arctic) |
Toarcian |
Bathonian |
Susadinium |
Susadinium
|
Canada(Arctic) |
Toarcian |
Bathonian |
Williamsidinium |
Williamsidinium
|
Canada(NWT) |
Late Campanian |
Maastrichtian |
Breedoxella |
Breedoxella caperata
|
Canada(NWT,Mackenzie) |
Aptian |
Early Albian |
Muderongia |
Muderongia asymmetrica
|
Canada(NWT,Mackenzie) |
Aptian |
Early Albian |
Pseudomuderongia |
Pseudomuderongia asymmetrica
|
Canada(NWT,Mackenzie) |
Aptian |
Early Albian |
Dimidiadinium |
Dimidiadinium sphaerocephalum
|
Canada(NWT,Mackenzie) |
Early Jurassic |
Early Cretaceous |
Dimidiadinium |
Dimidiadinium uncinatum
|
Canada(NWT,Mackenzie) |
Hauterivian |
Barremian |
Spiniferites |
Spiniferites cryptovesiculatus
|
Denmark |
Danian |
|
Hafniasphaera |
Hafniasphaera cryptovesiculata
|
Denmark |
Danian |
|