Bohaidina |
Bohaidina microreticulata
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Bohaidina |
Bohaidina retirugosa
sp. nov. |
China(Hopei) |
Early Tertiary |
|
Bohaidina |
Bohaidina retirugosa
sp. nov. |
China(Hopei) |
Late Eocene |
Oligocene |
Bohaidina |
Bohaidina retirugosa
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Parabohaidina |
Parabohaidina laevigata
sp. nov. |
China(Hopei) |
Oligocene |
|
Parabohaidina |
Parabohaidina laevigata
sp. nov. |
China(Hopei) |
Oligocene |
|
Parabohaidina |
Parabohaidina laevigata
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Parabohaidina |
Parabohaidina granulata
sp. nov. |
China(Hopei) |
Late Eocene |
Oligocene |
Parabohaidina |
Parabohaidina retirugosa
sp. nov. |
China(Hopei) |
Late Eocene |
Middle Oligocene |
Parabohaidina |
Parabohaidina verrucosa
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Parabohaidina |
Parabohaidina verrurugosa
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Parabohaidina |
Parabohaidina sp
|
China(Hopei) |
Nd |
|
Parabohaidina |
Parabohaidina
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Conicoidium |
Conicoidium
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Conicoidium |
Conicoidium tuberculatum
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Conicoidium |
Conicoidium granorugosum
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Conicoidium |
Conicoidium laevigatum
sp. nov. |
China(Hopei) |
Oligocene |
|