Leiosphaeridia |
Leiosphaeridia sp
|
China(Liaoning) |
Eocene |
|
Oligosphaeridium |
Oligosphaeridium albertense
|
Nd |
Nd |
|
Oligosphaeridium |
Oligosphaeridium buciniferum
|
China(Liaoning) |
Eocene |
|
Oligosphaeridium |
Oligosphaeridium complex
|
China(Liaoning) |
Eocene |
|
Oligosphaeridium |
Oligosphaeridium reticulatum
|
China(Liaoning) |
Eocene |
|
Oligosphaeridium |
Oligosphaeridium sp. Sun,1994
sp. nov. |
China(Liaoning) |
Eocene |
|
Oligosphaeridium |
Oligosphaeridium totum
|
China(Liaoning) |
Eocene |
|
Operculodinium |
Operculodinium sp. Sun,1994
sp. nov. |
China(Liaoning) |
Eocene |
|
Operculodinium |
Operculodinium zhongyuanense
|
China(Liaoning) |
Eocene |
|
Parabohaidina |
Parabohaidina
|
China(Liaoning) |
Eocene |
|
Parabohaidina |
Parabohaidina granulata
|
China(Liaoning) |
Eocene |
|
Parabohaidina |
Parabohaidina granulata
|
China(Kwangsi) |
Middle Oligocene |
Early Miocene |
Parabohaidina |
Parabohaidina laevigata
|
China(Liaoning) |
Eocene |
|
Parabohaidina |
Parabohaidina laevigata
|
China(Hopei) |
Oligocene |
|
Parabohaidina |
Parabohaidina retirugosa
|
China(Liaoning) |
Eocene |
|
Parabohaidina |
Parabohaidina tuberculata
|
China(Liaoning) |
Eocene |
|
Parabohaidina |
Parabohaidina tuberculata
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |