Hystrichosphaera |
Hystrichosphaera ramosa
sp. nov. |
England(Kent) |
Cenomanian |
Eocene |
Hystrichosphaera |
Hystrichosphaera ramosa
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera ramosa
sp. nov. |
England(Kent) |
Ypresian |
|
Hystrichosphaera |
Hystrichosphaera ramosa
sp. nov. |
England(Berkshire) |
Hauterivian |
|
Hystrichosphaera |
Hystrichosphaera ramosa
|
Mediterranean Sea |
Pleistocene |
Recent |
Hystrichosphaera |
Hystrichosphaera ramosa
sp. nov. |
England(Kent) |
Ypresian |
|
Hystrichosphaera |
Hystrichosphaera ramosa
sp. nov. |
England(Surrey) |
Cenomanian |
|
Hystrichosphaera |
Hystrichosphaera sp. Dave.et al,1966
sp. nov. |
England(Yorkshire) |
Early Barremian |
|
Hystrichosphaeridium |
Hystrichosphaeridium alcicornu
|
England(Berkshire) |
Hauterivian |
Barremian |
Hystrichosphaeridium |
Hystrichosphaeridium alcicornu
|
Poland |
Early Oligocene |
|
Xanthidium |
Xanthidium furcatum
|
Nd |
Nd |
|
Xanthidium |
Xanthidium ramosum
|
Nd |
Nd |
|