Gonyaulacysta |
Gonyaulacysta cassidata
|
Colorado |
Late Cenomanian |
|
Gonyaulacysta |
Gonyaulacysta cassidata
|
England(Dorset) |
Late Cenomanian |
|
Hapsocysta |
Hapsocysta dictyota
|
Colorado |
Late Cenomanian |
Early Turonian |
Hapsocysta |
Hapsocysta dictyota
|
England(Dorset) |
Late Cenomanian |
Early Turonian |
Heterosphaeridium |
Heterosphaeridium difficile
|
Colorado |
Early Turonian |
|
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
England(Dorset) |
Late Cenomanian |
Early Turonian |
Heterosphaeridium |
Heterosphaeridium sp
|
Colorado |
Late Cenomanian |
Early Turonian |
Hystrichodinium |
Hystrichodinium sp
|
Colorado |
Late Cenomanian |
Early Turonian |
Hystrichodinium |
Hystrichodinium sp
|
England(Dorset) |
Late Cenomanian |
Early Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium palmatum
|
Colorado |
Late Cenomanian |
Early Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium palmatum
|
England(Dorset) |
Late Cenomanian |
Early Turonian |
Hystrichostrogylon |
Hystrichostrogylon membraniphorum
|
Colorado |
Late Cenomanian |
Early Turonian |
Hystrichostrogylon |
Hystrichostrogylon membraniphorum
|
England(Dorset) |
Late Cenomanian |
Early Turonian |
Isabelidinium |
Isabelidinium sp
|
Colorado |
Late Cenomanian |
Early Turonian |
Kallosphaeridium |
Kallosphaeridium ringnesiorum
|
England(Dorset) |
Late Cenomanian |
|
Kalyptea |
Kalyptea halosa
|
Colorado |
Late Cenomanian |
Early Turonian |
Kalyptea |
Kalyptea halosa
|
England(Dorset) |
Late Cenomanian |
Early Turonian |