Hystrichosphaeridium |
Hystrichosphaeridium biformoides
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium pulcherrimum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium paulinae
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium placacanthum
|
Nd |
Nd |
|
Palaeoperidinium |
Palaeoperidinium hyalodermum
|
Nd |
Nd |
|
Palaeostomocystis |
Palaeostomocystis echinulata
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera inconspicua
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium claviculorum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium taylorii
|
Nd |
Nd |
|
Gonyaulax |
Gonyaulax giuseppei
|
Nd |
Nd |
Nd |
Hystrichosphaera |
Hystrichosphaera tertiaria
sp. nov. |
Nd |
Nd |
Nd |
Hystrichosphaera |
Hystrichosphaera tertiaria
sp. nov. |
Nd |
Nd |
Nd |
Hystrichosphaera |
Hystrichosphaera tertiaria
sp. nov. |
Nd |
Nd |
Nd |
Cannosphaeropsis |
Cannosphaeropsis robusta
|
W.Germany(Rhineland) |
Early Eocene |
|
Adnatosphaeridium |
Adnatosphaeridium robustum
|
W.Germany(Rhineland) |
Early Eocene |
|