Prominangularia |
Prominangularia laevigata
|
China(Hopei) |
Eocene |
Oligocene |
Prominangularia |
Prominangularia granulata
|
China(Hopei) |
Middle Eocene |
Oligocene |
Bohaidina |
Bohaidina retirugosa
|
China(Hopei) |
Middle Eocene |
|
Bohaidina |
Bohaidina microreticulata
|
China(Hopei) |
Middle Eocene |
|
Songiella |
Songiella huanghuaensis
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Binzhoudinium |
Binzhoudinium membraspinosum
sp. nov. |
China(Hopei) |
Middle Eocene |
Late Eocene |
Binzhoudinium |
Binzhoudinium sp
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Oligosphaeridium |
Oligosphaeridium abbreviatum
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Pseudobohaidina |
Pseudobohaidina oblongata
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Stromaphora |
Stromaphora brevispinosa
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Bohaidina |
Bohaidina spinosa
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Bohaidina |
Bohaidina alveolae
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Conicoidium |
Conicoidium tuberculatum
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Sentusidinium |
Sentusidinium biornatum
|
China(Hopei) |
Middle Eocene |
Oligocene |
Prominangularia |
Prominangularia dongyingensis
|
China(Hopei) |
Middle Eocene |
Oligocene |
Campenia |
Campenia circellata
|
China(Hopei) |
Middle Eocene |
Late Eocene |
Pararhombodella |
Pararhombodella baculata
|
China(Hopei) |
Oligocene |
|