Batiacasphaera |
Batiacasphaera oligacantha
sp. nov. |
China(Honan) |
Middle Oligocene |
|
Bohaidina |
Bohaidina granulata
|
China(Honan) |
Eocene |
|
Bipolaribucina |
Bipolaribucina biornata
sp. nov. |
China(Honan) |
Eocene |
|
Bipolaribucina |
Bipolaribucina huanghuaensis
|
China(Honan) |
Eocene |
|
Bipolaribucina |
Bipolaribucina sp.1
sp. nov. |
China(Honan) |
Middle Oligocene |
|
Bipolaribucina |
Bipolaribucina sp.2
sp. nov. |
China(Honan) |
Eocene |
|
Bohaidina |
Bohaidina apiciporata
sp. nov. |
China(Honan) |
Eocene |
|
Bohaidina |
Bohaidina granulata
|
China(Honan) |
Eocene |
|
Bohaidina |
Bohaidina granulata
|
China(Honan) |
Eocene |
|
Bohaidina |
Bohaidina laevigata
|
China(Honan) |
Eocene |
|
Bohaidina |
Bohaidina microreticulata
|
China(Honan) |
Eocene |
|
Bohaidina |
Bohaidina retirugosa
|
China(Honan) |
Eocene |
|
Bohaidina |
Bohaidina retirugosa
|
China(Honan) |
Eocene |
|
Bosedinia |
Bosedinia operculata
|
China(Honan) |
Eocene |
Middle Oligocene |
Chytroeisphaeridia |
Chytroeisphaeridia sp
|
China(Honan) |
Middle Oligocene |
|
Cleistosphaeridium |
Cleistosphaeridium elegans
sp. nov. |
China(Honan) |
Middle Oligocene |
|
Cleistosphaeridium |
Cleistosphaeridium panshanense
|
China(Honan) |
Eocene |
Middle Oligocene |