Oligosphaeridium |
Oligosphaeridium dividuum
|
W.Germany(Niedersachsen) |
Late Hauterivian |
Middle Barremian |
Oligosphaeridium |
Oligosphaeridium fenestratum
|
W.Germany(Niedersachsen) |
Hauterivian |
|
Oligosphaeridium |
Oligosphaeridium fenestratum
|
W.Germany(Niedersachsen) |
Late Hauterivian |
Middle Barremian |
Oligosphaeridium |
Oligosphaeridium irregulare
|
W.Germany(Niedersachsen) |
Late Aptian |
Albian |
Oligosphaeridium |
Oligosphaeridium perforatum
|
W.Germany(Niedersachsen) |
Hauterivian |
Barremian |
Oligosphaeridium |
Oligosphaeridium poculum
|
W.Germany(Niedersachsen) |
Hauterivian |
Albian |
Oligosphaeridium |
Oligosphaeridium prolixispinosum
|
W.Germany(Niedersachsen) |
Early Albian |
Middle Albian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
W.Germany(Niedersachsen) |
Hauterivian |
Turonian |
Oligosphaeridium |
Oligosphaeridium sp
|
W.Germany(Niedersachsen) |
Late Aptian |
|
Oligosphaeridium |
Oligosphaeridium sp.A
sp. nov. |
W.Germany(Niedersachsen) |
Late Aptian |
|
Oligosphaeridium |
Oligosphaeridium sp.B
sp. nov. |
W.Germany(Niedersachsen) |
Late Aptian |
|
Oligosphaeridium |
Oligosphaeridium totum
|
W.Germany(Niedersachsen) |
Late Albian |
Cenomanian |
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
W.Germany(Niedersachsen) |
Cenomanian |
Turonian |
Palaeoperidinium |
Palaeoperidinium cretaceum
|
W.Germany(Niedersachsen) |
Barremian |
Turonian |
Palaeotetradinium |
Palaeotetradinium silicorum
|
W.Germany(Niedersachsen) |
Albian |
Cenomanian |
Pareodinia |
Pareodinia ceratophora
|
W.Germany(Niedersachsen) |
Late Hauterivian |
Aptian |
Pervosphaeridium |
Pervosphaeridium cenomaniense
|
W.Germany(Niedersachsen) |
Late Albian |
Middle Turonian |