Epelidosphaeridia |
Epelidosphaeridia spinosa
|
Worldwide |
Vraconian |
Early Turonian |
Epelidosphaeridia |
Epelidosphaeridia spinosa
|
Europe |
Vraconian |
Cenomanian |
Florentinia |
Florentinia mantellii
|
Worldwide |
Middle Aptian |
Middle Cenomanian |
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Worldwide |
Early Hauterivian |
Early Cenomanian |
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Worldwide |
Middle Berriasian |
Albian |
Gordiacysta |
Gordiacysta coronata
|
Brazil |
Late Albian |
Vraconian |
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
Europe |
Cenomanian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Worldwide |
Vraconian |
Middle Senonian |
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
Worldwide |
Late Hauterivian |
Albian |
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
Europe |
Middle Valanginian |
Early Albian |
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
Worldwide |
Middle Albian |
Late Albian |
Imbatodinium |
Imbatodinium jaegeri
|
Worldwide |
Barremian |
Middle Vraconian |
Isabelidinium |
Isabelidinium sp
|
Australia |
Cenomanian |
Senonian |
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
Worldwide |
Vraconian |
Coniacian |
Litosphaeridium |
Litosphaeridium arundum
|
Worldwide |
Early Albian |
Early Cenomanian |
Litosphaeridium |
Litosphaeridium arundum
|
Europe |
Albian |
|
Litosphaeridium |
Litosphaeridium arundum
|
Australia |
Albian |
Vraconian |