Areoligera |
Areoligera sp.3
sp. nov. |
Canada(Eastern Offshore) |
Santonian |
|
Turbiosphaera |
Turbiosphaera filosa
|
Canada(Eastern Offshore) |
Santonian |
|
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
Nd |
Berriasian |
Early Hauterivian |
Biorbifera |
Biorbifera johnewingii
|
Nd |
Berriasian |
Hauterivian |
Broomea |
Broomea gochtii
|
Nd |
Berriasian |
Hauterivian |
Canningia |
Canningia hirtella
|
Nd |
Valanginian |
Early Hauterivian |
Cantulodinium |
Cantulodinium speciosum
|
Nd |
Valanginian |
Early Hauterivian |
Achomosphaera |
Achomosphaera neptuni
|
Nd |
Valanginian |
Aptian |
Pseudoceratium |
Pseudoceratium pelliferum
|
Nd |
Valanginian |
Aptian |
Apteodinium |
Apteodinium granulatum
|
Nd |
Valanginian |
Albian |
Broomea |
Broomea longicornuta
|
Nd |
Hauterivian |
Barremian |
Ctenidodinium |
Ctenidodinium elegantulum
|
Nd |
Hauterivian |
Barremian |
Heslertonia |
Heslertonia heslertonensis
|
Nd |
Late Hauterivian |
Barremian |
Muderongia |
Muderongia staurota
|
Nd |
Late Hauterivian |
Barremian |
Pseudoceratium |
Pseudoceratium gochtii
|
Nd |
Hauterivian |
Barremian |
Pseudoceratium |
Pseudoceratium nudum
|
Nd |
Hauterivian |
Barremian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
Nd |
Hauterivian |
Early Santonian |