Achomosphaera |
Achomosphaera minuta
sp. nov. |
China(Shantung) |
Eocene |
|
Achomosphaera |
Achomosphaera minuta
sp. nov. |
China(Honan) |
Eocene |
|
Alterbia |
Alterbia puyangensis
sp. nov. |
China(Honan) |
Late Oligocene |
|
Alterbia |
Alterbia puyangensis
sp. nov. |
China(Shantung) |
Late Oligocene |
|
Alterbia |
Alterbia sp
|
China(Shantung) |
Eocene |
|
Alterbia |
Alterbia sp
|
China(Honan) |
Eocene |
|
Batiacasphaera |
Batiacasphaera henanensis
sp. nov. |
China(Honan) |
Middle Oligocene |
|
Batiacasphaera |
Batiacasphaera henanensis
sp. nov. |
China(Shantung) |
Middle Oligocene |
|
Batiacasphaera |
Batiacasphaera micropapillata
|
China(Shantung) |
Eocene |
|
Batiacasphaera |
Batiacasphaera micropapillata
|
China(Honan) |
Eocene |
|
Batiacasphaera |
Batiacasphaera oligacantha
sp. nov. |
China(Honan) |
Middle Oligocene |
|
Batiacasphaera |
Batiacasphaera oligacantha
sp. nov. |
China(Shantung) |
Middle Oligocene |
|
Bipolaribucina |
Bipolaribucina biornata
sp. nov. |
China(Honan) |
Eocene |
|
Bipolaribucina |
Bipolaribucina biornata
|
China(Shantung) |
Eocene |
|
Bipolaribucina |
Bipolaribucina huanghuaensis
|
China(Shantung) |
Eocene |
|
Bipolaribucina |
Bipolaribucina huanghuaensis
|
China(Honan) |
Eocene |
|
Bipolaribucina |
Bipolaribucina sp.1
sp. nov. |
China(Honan) |
Middle Oligocene |
|