Bipolaribucina |
Bipolaribucina conicosa
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Impletosphaeridium |
Impletosphaeridium conicosum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Bipolaribucina |
Bipolaribucina huanghuaensis
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Impletosphaeridium |
Impletosphaeridium huanghuaense
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Bipolaribucina |
Bipolaribucina liaoningensis
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Impletosphaeridium |
Impletosphaeridium liaoningense
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Bipolaribucina |
Bipolaribucina oblongata
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Impletosphaeridium |
Impletosphaeridium oblongatum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Bipolaribucina |
Bipolaribucina tianjinensis
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Impletosphaeridium |
Impletosphaeridium tianjinense
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Deflandrea |
Deflandrea minuta
|
China(Hopei) |
Late Eocene |
Early Oligocene |
Deflandrea |
Deflandrea ovata
|
China(Hopei) |
Late Eocene |
Early Oligocene |
Geiselodinium |
Geiselodinium ovatum
|
China(Hopei) |
Late Eocene |
Early Oligocene |
Laciniadinium |
Laciniadinium minutum
|
China(Hopei) |
Late Eocene |
Early Oligocene |
Sanshuia |
Sanshuia dalangshanensis
|
China(Kwangtung) |
Late Cretaceous |
|
Geiselodinium |
Geiselodinium dalangshanense
|
China(Kwangtung) |
Late Cretaceous |
|
Sanshuia |
Sanshuia fibrirugularis
|
China(Kwangtung) |
Late Cretaceous |
|