Bohaidina |
Bohaidina rivularisa
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Bohaidina |
Bohaidina rugosa
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Bohaidina |
Bohaidina sp
|
China(Hopei) |
Nd |
|
Campenia |
Campenia circellata
sp. nov. |
China(Hopei) |
Oligocene |
|
Campenia |
Campenia irregularis
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Campenia |
Campenia microreticulata
sp. nov. |
China(Hopei) |
Late Oligocene |
|
Campenia |
Campenia sp
|
China(Hopei) |
Nd |
|
Canningia |
Canningia micibaculata
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Canningia |
Canningia sp
|
China(Hopei) |
Nd |
|
Cerodinium |
Cerodinium sibiricum
|
China(Hopei) |
Late Eocene |
Early Oligocene |
Cerodinium |
Cerodinium sibiricum
|
USSR(Siberia) |
Paleocene |
|
Chiropteridium |
Chiropteridium partispinatum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Chiropteridium |
Chiropteridium sp
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Cleistosphaeridium |
Cleistosphaeridium ambiguum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Cleistosphaeridium |
Cleistosphaeridium ambiguum
|
France(Paris Basin) |
Senonian |
|
Cleistosphaeridium |
Cleistosphaeridium ancoriferum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Cleistosphaeridium |
Cleistosphaeridium bifurcatum
sp. nov. |
China(Hopei) |
Early Oligocene |
Middle Oligocene |