Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
E.Germany |
Cretaceous |
Pleistocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
W.Germany |
Cretaceous |
Pleistocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
France |
Cretaceous |
Pleistocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Belgium |
Cretaceous |
Pleistocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
England |
Cretaceous |
Pleistocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Australia |
Cretaceous |
Pleistocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Poland |
Cretaceous |
Pleistocene |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
USSR |
Cretaceous |
Pleistocene |
Impletosphaeridium |
Impletosphaeridium
|
Worldwide |
Turonian |
Miocene |
Impletosphaeridium |
Impletosphaeridium transfodum
|
USSR |
Early Eocene |
|
Lanternosphaeridium |
Lanternosphaeridium
|
Worldwide |
Albian |
Oligocene |
Lanternosphaeridium |
Lanternosphaeridium axiale
|
W.Germany |
Middle Oligocene |
|
Lanternosphaeridium |
Lanternosphaeridium lanosum
|
USSR |
Early Miocene |
|
Lingulasphaera |
Lingulasphaera
|
Worldwide |
Early Eocene |
|
Lingulasphaera |
Lingulasphaera spinula
|
USA |
Early Eocene |
|
Lingulodinium |
Lingulodinium
|
Worldwide |
Oligocene |
Quaternary |
Lingulodinium |
Lingulodinium machaerophorum
|
W.Germany |
Oligocene |
Miocene |