Downiesphaeridium |
Downiesphaeridium aciculare
|
England(Berkshire) |
Late Cenomanian |
Turonian |
Dinogymnium |
Dinogymnium acuminatum
|
England(Berkshire) |
Turonian |
Coniacian |
Senoniasphaera |
Senoniasphaera alveolata
|
England(Berkshire) |
Turonian |
Early Coniacian |
Wallodinium |
Wallodinium anglicum
|
England(Berkshire) |
Turonian |
Coniacian |
Downiesphaeridium |
Downiesphaeridium armatum
|
England(Berkshire) |
Turonian |
Coniacian |
Exochosphaeridium |
Exochosphaeridium arnace
|
England(Berkshire) |
Turonian |
Coniacian |
Callaiosphaeridium |
Callaiosphaeridium asymmetricum
|
England(Berkshire) |
Turonian |
Coniacian |
Exochosphaeridium |
Exochosphaeridium bifidum
|
England(Berkshire) |
Turonian |
Coniacian |
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
England(Berkshire) |
Turonian |
Coniacian |
Xenascus |
Xenascus ceratioides
|
England(Berkshire) |
Late Turonian |
Coniacian |
Leberidocysta |
Leberidocysta chlamydata
|
England(Berkshire) |
Turonian |
Coniacian |
Canningia |
Canningia colliveri
|
England(Berkshire) |
Turonian |
Coniacian |
Cyclonephelium |
Cyclonephelium compactum
|
England(Berkshire) |
Early Turonian |
Middle Turonian |
Oligosphaeridium |
Oligosphaeridium complex
|
England(Berkshire) |
Turonian |
Coniacian |
Hystrichosphaeridium |
Hystrichosphaeridium conispiniferum
|
England(Berkshire) |
Turonian |
Coniacian |
Prolixosphaeridium |
Prolixosphaeridium conulum
|
England(Berkshire) |
Turonian |
Coniacian |
Cribroperidinium |
Cribroperidinium cooksoniae
|
England(Berkshire) |
Turonian |
Early Coniacian |