Hystrichosphaera |
Hystrichosphaera
|
Denmark |
Late Senonian |
Danian |
Hystrichosphaeridium |
Hystrichosphaeridium
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium striatoconum
|
Nd |
Nd |
|
Kallosphaeridium |
Kallosphaeridium
|
Nd |
Nd |
|
Kallosphaeridium |
Kallosphaeridium brevibarbatum
|
Nd |
Nd |
|
Lanterna |
Lanterna
|
Nd |
Nd |
|
Lanterna |
Lanterna bulgarica
|
Nd |
Nd |
|
Litosphaeridium |
Litosphaeridium
|
Nd |
Nd |
|
Minuscula |
Minuscula
|
Nd |
Nd |
|
Nematosphaeropsis |
Nematosphaeropsis
|
Australia(Victoria) |
Middle Miocene |
|
Oligosphaeridium |
Oligosphaeridium
|
Nd |
Nd |
|
Palaeocystodinium |
Palaeocystodinium
|
Nd |
Nd |
|
Palaeoperidinium |
Palaeoperidinium
|
E.Germany(Potsdam) |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis echinulata
|
W.Germany |
Senonian |
|
Palaeotetradinium |
Palaeotetradinium
|
France(Paris Basin) |
Senonian |
|