Peltiphoridium |
Peltiphoridium oblongatum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Peltiphoridium |
Peltiphoridium oblongatum
|
China(Shandong) |
Middle Eocene |
Late Eocene |
Pentadinium |
Pentadinium laticinctum
|
China(Shandong) |
Oligocene |
|
Perisseiasphaeridium |
Perisseiasphaeridium pannosum
|
China(Shandong) |
Middle Eocene |
Late Eocene |
Perisseiasphaeridium |
Perisseiasphaeridium sp. Xu et al,1997
sp. nov. |
China(Shandong) |
Middle Eocene |
Late Eocene |
Physalocysta |
Physalocysta
|
China(Shandong) |
Early Eocene |
Middle Eocene |
Physalocysta |
Physalocysta oblongata
sp. nov. |
China(Shandong) |
Middle Eocene |
Late Eocene |
Physalocysta |
Physalocysta quadrata
sp. nov. |
China(Shandong) |
Middle Eocene |
Late Eocene |
Physalocysta |
Physalocysta rotunda
sp. nov. |
China(Shandong) |
Early Eocene |
Middle Eocene |
Physalocysta |
Physalocysta simplex
sp. nov. |
China(Shandong) |
Middle Eocene |
Late Eocene |
Polysphaeridium |
Polysphaeridium sp. Xu et al,1997
sp. nov. |
China(Shandong) |
Middle Eocene |
Late Eocene |
Polysphaeridium |
Polysphaeridium subtile
|
China(Shandong) |
Middle Eocene |
Late Eocene |
Polysphaeridium |
Polysphaeridium subtile
|
China(Shandong) |
Middle Eocene |
Late Eocene |
Polysphaeridium |
Polysphaeridium zoharyi
|
China(Shandong) |
Middle Eocene |
Late Eocene |
Prominangularia |
Prominangularia dongyingensis
|
China(Hopei) |
Middle Eocene |
Oligocene |
Prominangularia |
Prominangularia granulata
|
China(Hopei) |
Middle Eocene |
Oligocene |
Prominangularia |
Prominangularia laevigata
|
China(Hopei) |
Eocene |
Oligocene |