Nematosphaeropsis |
Nematosphaeropsis
|
Worldwide |
Valanginian |
Quaternary |
Nematosphaeropsis |
Nematosphaeropsis balcombiana
|
England |
Senonian |
|
Nematosphaeropsis |
Nematosphaeropsis balcombiana
|
France |
Senonian |
|
Nematosphaeropsis |
Nematosphaeropsis balcombiana
|
England |
Eocene |
|
Nematosphaeropsis |
Nematosphaeropsis balcombiana
|
Australia |
Miocene |
|
Nematosphaeropsis |
Nematosphaeropsis velata
|
England |
Senonian |
|
Neodiacrodium |
Neodiacrodium
|
Worldwide |
Barremian |
Albian |
Neodiacrodium |
Neodiacrodium longiprocessatum
|
USSR(Kazakh SSR) |
Early Valanginian |
|
Oligosphaeridium |
Oligosphaeridium
|
Worldwide |
Late Jurassic |
Early Oligocene |
Oligosphaeridium |
Oligosphaeridium complex
|
Africa |
Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium complex
|
England |
Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium complex
|
France |
Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium complex
|
W.Germany |
Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Romania |
Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Australia |
Cretaceous |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Canada |
Albian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Italy |
Late Cretaceous |
|