Samlandia |
Samlandia chlamydophora
|
W.Germany |
Early Eocene |
|
Samlandia |
Samlandia chlamydophora
|
Germany |
Late Eocene |
Early Oligocene |
Samlandia |
Samlandia reticulifera
|
Australia(W.Australia) |
Late Eocene |
|
Senoniasphaera |
Senoniasphaera protrusa
|
England(Isle of Wight) |
Senonian |
|
Senoniasphaera |
Senoniasphaera rotundata
|
Nd |
Nd |
|
Subtilidinium |
Subtilidinium minutum
|
Denmark |
Danian |
|
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
England(Dorset) |
Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
France |
Cenomanian |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
England(Surrey) |
Cenomanian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
England(Yorkshire) |
Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
France(Calvados) |
Oxfordian |
|
Systematophora |
Systematophora areolata
|
Germany |
Malm |
|
Systematophora |
Systematophora complicata
|
England(Yorkshire) |
Early Cretaceous |
|
Systematophora |
Systematophora fasciculigera
|
Germany |
Malm |
|
Systematophora |
Systematophora orbifera
|
Germany |
Malm |
|
Systematophora |
Systematophora placacantha
|
Australia(Victoria) |
Middle Miocene |
|
Systematophora |
Systematophora schindewolfii
|
Germany |
Late Barremian |
Senonian |