Pyxidinopsis |
Pyxidinopsis pylomica
|
China(Honan) |
Middle Oligocene |
Late Oligocene |
Pyxidinopsis |
Pyxidinopsis pylomica
|
China(Shantung) |
Middle Oligocene |
Late Oligocene |
Pyxidinopsis |
Pyxidinopsis pylomica
|
China(Hopei) |
Oligocene |
|
Rhombodella |
Rhombodella baculata
|
China(Honan) |
Middle Oligocene |
|
Rhombodella |
Rhombodella baculata
|
China(Shantung) |
Middle Oligocene |
|
Rhombodella |
Rhombodella bifurcata
|
China(Shantung) |
Middle Oligocene |
|
Rhombodella |
Rhombodella bifurcata
|
China(Honan) |
Middle Oligocene |
|
Rhombodella |
Rhombodella elongata
sp. nov. |
China(Honan) |
Eocene |
|
Rhombodella |
Rhombodella elongata
sp. nov. |
China(Shantung) |
Eocene |
|
Rhombodella |
Rhombodella papillifera
sp. nov. |
China(Shantung) |
Middle Oligocene |
|
Rhombodella |
Rhombodella papillifera
sp. nov. |
China(Honan) |
Middle Oligocene |
|
Rhombodella |
Rhombodella sp
sp. nov. |
China(Honan) |
Middle Oligocene |
|
Rhombodella |
Rhombodella sp
sp. nov. |
China(Shantung) |
Middle Oligocene |
|
Rhombodella |
Rhombodella symphyanthera
sp. nov. |
China(Honan) |
Eocene |
Middle Oligocene |
Rhombodella |
Rhombodella symphyanthera
sp. nov. |
China(Shantung) |
Eocene |
Middle Oligocene |
Rhombodella |
Rhombodella tubiforma
|
China(Shantung) |
Middle Oligocene |
|
Rhombodella |
Rhombodella tubiforma
|
China(Honan) |
Middle Oligocene |
|