Hystrichosphaeridium |
Hystrichosphaeridium spinosum
|
Belgium |
Senonian |
|
Lejeunecysta |
Lejeunecysta tricuspis
|
Germany |
Late Cretaceous |
|
Leptodinium |
Leptodinium porosum
|
Belgium |
Senonian |
|
Litosphaeridium |
Litosphaeridium crassipes
|
Belgium |
Senonian |
|
Oligosphaeridium |
Oligosphaeridium cephalum
|
Europe |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium cephalum
|
Africa |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium cephalum
|
North America |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium cephalum
|
Australia |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium cephalum
|
New Zealand |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium cephalum
|
India |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium complex
|
Europe |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium complex
|
Africa |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium complex
|
North America |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium complex
|
India |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium complex
|
Australia |
Barremian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium complex
|
New Zealand |
Barremian |
Paleocene |
Palaeoperidinium |
Palaeoperidinium damasii
|
Belgium |
Senonian |
|