Circulodinium |
Circulodinium brevispinosum
|
Canada(W.Canada) |
Aptian |
|
Circulodinium |
Circulodinium colliveri
|
Argentina(Santa Cruz) |
Early Aptian |
|
Circulodinium |
Circulodinium compta
|
Denmark |
Early Portlandian |
Early Valanginian |
Circulodinium |
Circulodinium deflandrei
|
Nd |
Nd |
|
Circulodinium |
Circulodinium hirtellum
|
Nd |
Nd |
|
Cyclonephelium |
Cyclonephelium asperum
|
Nd |
Nd |
|
Cyclonephelium |
Cyclonephelium attadalicum
|
Australia(W.Australia) |
Aptian |
Albian |
Cyclonephelium |
Cyclonephelium microreticulata
|
Nd |
Nd |
|
Cyclonephelium |
Cyclonephelium palliatum
|
Australia(Offshore) |
Middle Hauterivian |
|
Endoceratium |
Endoceratium dettmanniae
|
Nd |
Nd |
|
Endoceratium |
Endoceratium exquisitum
|
Australia(Offshore) |
Late Tithonian |
|
Endoceratium |
Endoceratium exquisitum
|
New Guinea(Papua) |
Portlandian |
|
Endoceratium |
Endoceratium exquisitum
|
Australia(NSW) |
Albian |
|
Endoceratium |
Endoceratium ludbrookiae
|
Nd |
Nd |
|
Endoceratium |
Endoceratium turneri
|
Nd |
Nd |
|
Epelidosphaeridia |
Epelidosphaeridia aspera
|
Nd |
Nd |
|
Kallosphaeridium |
Kallosphaeridium circulare
|
Australia(W.Australia) |
Albian |
Cenomanian |