Heterosphaeridium |
Heterosphaeridium difficile
|
Canada(Arctic) |
Santonian |
Early Paleocene |
Heterosphaeridium |
Heterosphaeridium difficile
|
Canada(Arctic) |
Early Paleocene |
|
Heterosphaeridium |
Heterosphaeridium difficile
|
Canada(NWT,Franklin) |
Cenomanian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
Canada(Arctic) |
Early Paleocene |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
Canada(Arctic) |
Santonian |
Campanian |
Hystrichosphaeridium |
Hystrichosphaeridium difficile
|
Canada(Arctic) |
Santonian |
Early Paleocene |
Hystrichosphaeridium |
Hystrichosphaeridium difficile
|
Canada(NWT,Franklin) |
Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium palmatum
|
Canada(Arctic) |
Santonian |
Campanian |
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
Canada(Arctic) |
Maastrichtian |
Early Paleocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Canada(Arctic) |
Early Paleocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Canada(Arctic) |
Maastrichtian |
Early Paleocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Canada(Arctic) |
Maastrichtian |
Early Paleocene |
Hystrichosphaeropsis |
Hystrichosphaeropsis sp
|
Canada(Arctic) |
Early Paleocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis sp
sp. nov. |
Canada(Arctic) |
Santonian |
Campanian |
Impagidinium |
Impagidinium dispertitum
|
Canada(Arctic) |
Maastrichtian |
Early Paleocene |
Impletosphaeridium |
Impletosphaeridium sp
sp. nov. |
Canada(Arctic) |
Santonian |
Early Paleocene |
Isabelidinium |
Isabelidinium acuminatum
|
Canada(Arctic) |
Early Paleocene |
|