Archeotectatum |
Archeotectatum
|
Nd |
Nd |
|
Areoligera |
Areoligera rhizopodiphora
|
Nd |
Nd |
|
Ascodinium |
Ascodinium fragile
|
Nd |
Nd |
|
Ascodinium |
Ascodinium kansanum
|
Nd |
Nd |
|
Ascodinium |
Ascodinium microreticulatum
|
China(Hopei) |
Late Oligocene |
|
Ascodinium |
Ascodinium minima
|
Nd |
Nd |
|
Ascodinium |
Ascodinium nuda
|
Nd |
Nd |
|
Ascodinium |
Ascodinium verrucosum
|
Nd |
Nd |
|
Athigmatocysta |
Athigmatocysta glabra
|
Nd |
Nd |
|
Athigmatocysta |
Athigmatocysta granulata
|
Nd |
Nd |
|
Australisphaera |
Australisphaera digitata
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera biornata
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Batiacasphaera |
Batiacasphaera minor
|
Nd |
Nd |
|
Batiacasphaera |
Batiacasphaera norvickii
|
Australia(Queensland) |
Aptian |
Albian |
Batiacasphaera |
Batiacasphaera sinensis
sp. nov. |
Nd |
Nd |
|
Broomea |
Broomea fusiforma
|
Nd |
Nd |
|
Brotzenia |
Brotzenia
|
Nd |
Nd |
|