Membranilarnacia |
Membranilarnacia sp
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Membranilarnacia |
Membranilarnacia vibrosa
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Micrhystridium |
Micrhystridium ambiguum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Micrhystridium |
Micrhystridium ambiguum
|
France(Paris Basin) |
Senonian |
|
Micrhystridium |
Micrhystridium sp.1
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Micrhystridium |
Micrhystridium sp.2
sp. nov. |
China(Hopei) |
Nd |
|
Noremia |
Noremia major
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Oligosphaeridium |
Oligosphaeridium membranaceum
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Oligosphaeridium |
Oligosphaeridium minus
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Oligosphaeridium |
Oligosphaeridium sp.1
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Oligosphaeridium |
Oligosphaeridium sp.2
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Oligosphaeridium |
Oligosphaeridium sp.3
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Oligosphaeridium |
Oligosphaeridium sp.4
sp. nov. |
China(Hopei) |
Nd |
|
Oligosphaeridium |
Oligosphaeridium sp.5
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Oligosphaeridium |
Oligosphaeridium sp.6
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Palaeohystrichophora |
Palaeohystrichophora oblongata
sp. nov. |
China(Hopei) |
Late Oligocene |
|
Palaeohystrichophora |
Palaeohystrichophora panshanensis
sp. nov. |
China(Hopei) |
Late Oligocene |
|