Rhombodella |
Rhombodella baculata
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Rugasphaera |
Rugasphaera sp.2
sp. nov. |
China(Hopei) |
Late Eocene |
Early Oligocene |
Tanyosphaeridium |
Tanyosphaeridium sp.1
sp. nov. |
China(Hopei) |
Late Eocene |
Early Oligocene |
Tanyosphaeridium |
Tanyosphaeridium sp.2
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Tenua |
Tenua sp.2
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Tenua |
Tenua sp.3
sp. nov. |
China(Hopei) |
Late Eocene |
Middle Oligocene |
Bohaidina |
Bohaidina sp
|
China(Hopei) |
Nd |
|
Parabohaidina |
Parabohaidina laevigata
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Pareodinia |
Pareodinia sp
|
China(Hopei) |
Nd |
|
Micrhystridium |
Micrhystridium ambiguum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Baltisphaeridium |
Baltisphaeridium centrocarpum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Hystrichosphaeridium |
Hystrichosphaeridium sp.2
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Hystrichosphaeridium |
Hystrichosphaeridium sp.3
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Hystrichosphaeridium |
Hystrichosphaeridium sp.4
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Hystrichosphaeridium |
Hystrichosphaeridium sp.5
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 |