Broomea |
Broomea micropoda
|
Nd |
Aptian |
Albian |
Broomea |
Broomea pellifera
|
Nd |
Late Barremian |
Early Aptian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
Nd |
Hauterivian |
Early Santonian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
Canada(Eastern Offshore) |
Santonian |
|
Canningia |
Canningia colliveri
|
Nd |
Aptian |
Santonian |
Canningia |
Canningia hirtella
|
Nd |
Valanginian |
Early Hauterivian |
Canningia |
Canningia minor
|
Nd |
Albian |
Campanian |
Canningia |
Canningia reticulata
|
Nd |
Cenomanian |
Santonian |
Canninginopsis |
Canninginopsis denticulata
|
Nd |
Albian |
Cenomanian |
Cannosphaeropsis |
Cannosphaeropsis utinensis
|
Nd |
Santonian |
Maastrichtian |
Cannosphaeropsis |
Cannosphaeropsis utinensis
|
Canada(Eastern Offshore) |
Senonian |
|
Cantulodinium |
Cantulodinium speciosum
|
Nd |
Valanginian |
Early Hauterivian |
Carpodinium |
Carpodinium granulatum
|
Nd |
Aptian |
Albian |
Carpodinium |
Carpodinium obliquicostatum
|
Nd |
Late Albian |
Early Cenomanian |
Ceratiopsis |
Ceratiopsis diebelii
|
Nd |
Maastrichtian |
|
Chlamydophorella |
Chlamydophorella nyei
|
Nd |
Aptian |
Maastrichtian |
Chlamydophorella |
Chlamydophorella nyei
|
Canada(Eastern Offshore) |
Turonian |
|