Prolixosphaeridium |
Prolixosphaeridium sp.1
sp. nov. |
China(Hopei) |
Late Oligocene |
|
Prolixosphaeridium |
Prolixosphaeridium sp.2
sp. nov. |
China(Hopei) |
Late Oligocene |
|
Prominangularia |
Prominangularia
|
China(Hopei) |
Oligocene |
|
Prominangularia |
Prominangularia dongyingensis
sp. nov. |
China(Hopei) |
Oligocene |
|
Prominangularia |
Prominangularia granulata
sp. nov. |
China(Hopei) |
Oligocene |
|
Prominangularia |
Prominangularia laevigata
sp. nov. |
China(Hopei) |
Oligocene |
|
Pterocystidiopsis |
Pterocystidiopsis sp
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Pterocystidiopsis |
Pterocystidiopsis sp.2
sp. nov. |
China(Hopei) |
Nd |
|
Pterospermopsis |
Pterospermopsis shandongensis
sp. nov. |
China(Hopei) |
Oligocene |
|
Rhombodella |
Rhombodella
|
China(Shandong) |
Oligocene |
|
Rhombodella |
Rhombodella baculata
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Rhombodella |
Rhombodella bifurcata
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Rhombodella |
Rhombodella sp
|
China(Hopei) |
Nd |
|
Rhombodella |
Rhombodella tubiforma
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Rhombodella |
Rhombodella variabilis
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Rugasphaera |
Rugasphaera
|
China(Hopei) |
Late Oligocene |
|
Rugasphaera |
Rugasphaera corrugis
sp. nov. |
China(Hopei) |
Late Oligocene |
|