Hystrichosphaeridium |
Hystrichosphaeridium diktyoplokum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium diktyoplokum
|
W.Germany(Schleswig) |
Middle Eocene |
Late Eocene |
Hystrichosphaeridium |
Hystrichosphaeridium inodes
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium intermedium
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium rhopalophorum
|
France(Cher) |
Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina exilimura
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
Nd |
Nd |
|
Imbatodinium |
Imbatodinium
|
Nd |
Nd |
|
Imbatodinium |
Imbatodinium fractum
|
India(Mysore) |
Aptian |
|
Imbatodinium |
Imbatodinium imbatodinense
|
USSR(Siberia) |
Late Jurassic |
|
Impagidinium |
Impagidinium aquaeductum
|
Denmark |
Middle Miocene |
|
Impagidinium |
Impagidinium churchillii
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium densicomatum
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium polypes
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium polypes
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium polypes
|
Nd |
Nd |
|