Batiacasphaera |
Batiacasphaera minor
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera ringnesiorum
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera rioultii
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera rotundata
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera taugourdeaui
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera torulosa
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera verrucosa
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera villersensis
|
Nd |
Nd |
|
Batioladinium |
Batioladinium tricornoides
|
Nd |
Nd |
|
Bipolaribucina |
Bipolaribucina paradoxa
|
W.Germany(Hesse) |
Late Oligocene |
|
Brigantedinium |
Brigantedinium
|
Nd |
Nd |
|
Brigantedinium |
Brigantedinium simplex
|
Nd |
Nd |
|
Broomea |
Broomea tricornoides
|
E.Germany |
Late Hauterivian |
|
Caligodinium |
Caligodinium granulatum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Callaiosphaeridium |
Callaiosphaeridium falsificum
|
Nd |
Nd |
|
Canningia |
Canningia microreticulata
|
Nd |
Nd |
|
Canningia |
Canningia minor
sp. nov. |
Nd |
Nd |
|