Oligosphaeridium |
Oligosphaeridium irregulare
|
Morocco |
Late Hauterivian |
Early Cenomanian |
Oligosphaeridium |
Oligosphaeridium poculum
|
Morocco |
Barremian |
Albian |
Oligosphaeridium |
Oligosphaeridium porosum
|
Morocco |
Vraconian |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Morocco |
Barremian |
Albian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Morocco |
Hauterivian |
Aptian |
Oligosphaeridium |
Oligosphaeridium sp. Bjae.,1978
sp. nov. |
Morocco |
Barremian |
Albian |
Oligosphaeridium |
Oligosphaeridium sp.A Will.& Brid.,1975
sp. nov. |
Morocco |
Late Hauterivian |
|
Oligosphaeridium |
Oligosphaeridium totum
|
Morocco |
Albian |
Vraconian |
Oligosphaeridium |
Oligosphaeridium totum
|
Morocco |
Aptian |
Albian |
Oligosphaeridium |
Oligosphaeridium vasiformum
|
Morocco |
Late Hauterivian |
|
Operculodinium |
Operculodinium hirsutum
|
Morocco |
Late Hauterivian |
Early Cenomanian |
Operculodinium |
Operculodinium hirsutum
|
Morocco |
Late Hauterivian |
Albian |
Pervosphaeridium |
Pervosphaeridium brevispinum
|
Australia(N.Territory) |
Cenomanian |
Early Turonian |
Pervosphaeridium |
Pervosphaeridium cenomaniense
|
Australia(N.Territory) |
Cenomanian |
Early Turonian |
Pervosphaeridium |
Pervosphaeridium truncatum
|
Morocco |
Late Hauterivian |
Albian |
Pervosphaeridium |
Pervosphaeridium truncatum
|
Texas |
Cenomanian |
|
Polysphaeridium |
Polysphaeridium chems
sp. nov. |
Morocco |
Late Hauterivian |
|