Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
China(Liaoning) |
Eocene |
|
Conicoidium |
Conicoidium granorugosum
|
China(Liaoning) |
Eocene |
|
Conicoidium |
Conicoidium granulatum
|
China(Liaoning) |
Eocene |
|
Conicoidium |
Conicoidium granulatum
|
China(Kwangsi) |
Middle Oligocene |
Early Miocene |
Conicoidium |
Conicoidium laevigatum
|
China(Liaoning) |
Eocene |
|
Conicoidium |
Conicoidium laevigatum
|
China(Hopei) |
Oligocene |
|
Conicoidium |
Conicoidium tuberculatum
|
China(Liaoning) |
Eocene |
|
Conicoidium |
Conicoidium tuberculatum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Coronifera |
Coronifera sp. Sun,1994
sp. nov. |
China(Liaoning) |
Eocene |
|
Homotryblium |
Homotryblium tenuispinosum
|
China(Liaoning) |
Eocene |
|
Horologinella |
Horologinella micirugis
|
China(Liaoning) |
Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium paracostatum
|
China(Liaoning) |
Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp. Sun,1994
sp. nov. |
China(Liaoning) |
Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
China(Liaoning) |
Eocene |
|
Impletosphaeridium |
Impletosphaeridium huanghuaense
|
China(Liaoning) |
Eocene |
|
Impletosphaeridium |
Impletosphaeridium multispinosum
|
China(Liaoning) |
Eocene |
|
Kleithriasphaeridium |
Kleithriasphaeridium sp. Sun,1994
sp. nov. |
China(Liaoning) |
Eocene |
|