Spiniferites |
Spiniferites adnatus
|
China(Honan) |
Middle Eocene |
Oligocene |
Spiniferites |
Spiniferites adnatus
|
China(Hunan) |
Middle Oligocene |
|
Spiniferites |
Spiniferites puyangensis
|
China(Hunan) |
Middle Oligocene |
|
Oligosphaeridium |
Oligosphaeridium dongmingense
|
China(Hunan) |
Middle Eocene |
Oligocene |
Oligosphaeridium |
Oligosphaeridium homomorphum
|
China(Hunan) |
Middle Eocene |
Oligocene |
Oligosphaeridium |
Oligosphaeridium minus
|
China(Hunan) |
Middle Eocene |
Oligocene |
Oligosphaeridium |
Oligosphaeridium ovatum
|
China(Hunan) |
Middle Eocene |
Oligocene |
Operculodinium |
Operculodinium capituliferum
|
China(Hunan) |
Middle Eocene |
Oligocene |
Operculodinium |
Operculodinium minutum
|
China(Hunan) |
Middle Eocene |
Oligocene |
Operculodinium |
Operculodinium zhongyuanense
|
China(Hunan) |
Middle Eocene |
Oligocene |
Sentusidinium |
Sentusidinium bifidum
|
China(Hunan) |
Middle Eocene |
Oligocene |
Sentusidinium |
Sentusidinium biornatum
|
China(Hunan) |
Middle Eocene |
Oligocene |
Sentusidinium |
Sentusidinium densispinum
|
China(Hunan) |
Middle Eocene |
Oligocene |
Sentusidinium |
Sentusidinium shenxianense
|
China(Hunan) |
Middle Eocene |
Oligocene |
Pyxidinopsis |
Pyxidinopsis minor
|
China(Hunan) |
Middle Eocene |
Oligocene |
Pyxidinopsis |
Pyxidinopsis pylomica
|
China(Hunan) |
Middle Eocene |
Oligocene |
Hystrichosphaeridium |
Hystrichosphaeridium calospinum
|
China(Hunan) |
Middle Eocene |
Oligocene |