Impletosphaeridium |
Impletosphaeridium multispinosum
|
USSR(Russian Platform) |
Late Oligocene |
|
Pentadinium |
Pentadinium laticinctum
|
USSR(Russian Platform) |
Middle Oligocene |
Middle Miocene |
Millioudodinium |
Millioudodinium tenuitabulatum
|
USSR(Russian Platform) |
Late Oligocene |
|
Wetzeliella |
Wetzeliella articulata
|
USSR(Russian Platform) |
Middle Oligocene |
Middle Miocene |
Wetzeliella |
Wetzeliella gochtii
|
USSR(Russian Platform) |
Middle Oligocene |
Middle Miocene |
Wetzeliella |
Wetzeliella symmetrica
|
USSR(Russian Platform) |
Middle Oligocene |
Middle Miocene |
Wetzeliella |
Wetzeliella clathrata
|
USSR(Russian Platform) |
Late Oligocene |
|
Rhombodinium |
Rhombodinium draco
|
USSR(Russian Platform) |
Middle Oligocene |
Middle Miocene |
Homotryblium |
Homotryblium floripes
|
USSR(Russian Platform) |
Late Oligocene |
|
Hemicystodinium |
Hemicystodinium zoharyi
|
USSR(Russian Platform) |
Late Oligocene |
|
Cordosphaeridium |
Cordosphaeridium funiculatum
|
USSR(Russian Platform) |
Late Oligocene |
|
Cordosphaeridium |
Cordosphaeridium inodes
|
USSR(Russian Platform) |
Late Oligocene |
|
Adnatosphaeridium |
Adnatosphaeridium reticulense
|
USSR(Russian Platform) |
Late Oligocene |
|
Areosphaeridium |
Areosphaeridium diktyoplokum
|
USSR(Russian Platform) |
Late Oligocene |
|
Melitasphaeridium |
Melitasphaeridium choanophorum
|
USSR(Russian Platform) |
Late Oligocene |
|
Spiniferites |
Spiniferites ramosus
|
USSR(Russian Platform) |
Middle Oligocene |
Middle Miocene |
Apteodinium |
Apteodinium emslandense
|
USSR(Russian Platform) |
Late Oligocene |
|