Downiesphaeridium |
Downiesphaeridium aciculare
|
England(Berkshire) |
Late Cenomanian |
Turonian |
Downiesphaeridium |
Downiesphaeridium armatum
|
England(Berkshire) |
Turonian |
Coniacian |
Downiesphaeridium |
Downiesphaeridium multispinosum
|
England(Berkshire) |
Late Cenomanian |
Turonian |
Downiesphaeridium |
Downiesphaeridium multispinosum
|
England(Berkshire) |
Late Cenomanian |
Turonian |
Ellipsodinium |
Ellipsodinium rugulosum
|
England(Berkshire) |
Turonian |
Coniacian |
Ellipsodinium |
Ellipsodinium rugulosum
|
England(Berkshire) |
Turonian |
Coniacian |
Endoceratium |
Endoceratium turneri
|
England(Berkshire) |
Turonian |
Coniacian |
Exochosphaeridium |
Exochosphaeridium arnace
|
England(Berkshire) |
Turonian |
Coniacian |
Exochosphaeridium |
Exochosphaeridium bifidum
|
England(Berkshire) |
Turonian |
Coniacian |
Florentinia |
Florentinia ferox
|
England(Berkshire) |
Turonian |
Coniacian |
Glaphyrocysta |
Glaphyrocysta sp.A
sp. nov. |
England(Berkshire) |
Turonian |
Coniacian |
Heterosphaeridium |
Heterosphaeridium difficile
|
England(Berkshire) |
Turonian |
Coniacian |
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
England(Berkshire) |
Turonian |
Coniacian |
Heterosphaeridium |
Heterosphaeridium sp
|
England(Berkshire) |
Turonian |
Coniacian |
Heterosphaeridium |
Heterosphaeridium spinaconjunctum
|
England(Berkshire) |
Turonian |
Coniacian |
Heterosphaeridium |
Heterosphaeridium verdieri
|
England(Berkshire) |
Late Turonian |
Coniacian |
Hystrichodinium |
Hystrichodinium isodiametricum
|
England(Berkshire) |
Turonian |
Coniacian |