Cleistosphaeridium |
Cleistosphaeridium varispinosum
|
England(Nottinghamshire) |
Late Bathonian |
Middle Callovian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
Atlantic(Norwegian Sea) |
Late Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
North Sea |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
Scotland(Kincardine) |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
England(Yorkshire) |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
England(Dorset) |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
W.Germany(Niedersachsen) |
Callovian |
|
Compositosphaeridium |
Compositosphaeridium polonicum
|
Netherlands |
Callovian |
|
Compositosphaeridium |
Compositosphaeridium polonicum
|
Switzerland |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
W.Germany(Bavaria) |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
France(Herault) |
Late Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
Spain |
Late Bathonian |
Early Callovian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
Portugal |
Late Bathonian |
Early Callovian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
Greenland |
Late Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
England(Lincolnshire) |
Callovian |
Early Oxfordian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
England(Nottinghamshire) |
Callovian |
Early Oxfordian |
Cribroperidinium |
Cribroperidinium granulatum
|
England(Yorkshire) |
Early Callovian |
Middle Callovian |