Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
England |
Bajocian |
Portlandian |
Cleistosphaeridium |
Cleistosphaeridium varispinosum
|
England |
Middle Bathonian |
Middle Callovian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
England |
Late Bathonian |
Oxfordian |
Cribroperidinium |
Cribroperidinium granulatum
|
England |
Late Callovian |
Valanginian |
Cribroperidinium |
Cribroperidinium granuligerum
|
England |
Late Callovian |
Valanginian |
Ctenidodinium |
Ctenidodinium combazii
|
England |
Late Bajocian |
Bathonian |
Ctenidodinium |
Ctenidodinium continuum
|
England |
Late Bajocian |
Callovian |
Ctenidodinium |
Ctenidodinium culmula
|
England |
Portlandian |
Ryazanian |
Ctenidodinium |
Ctenidodinium gochtii
|
England |
Late Bajocian |
Early Oxfordian |
Ctenidodinium |
Ctenidodinium kettonense
|
England |
Late Bajocian |
Early Oxfordian |
Ctenidodinium |
Ctenidodinium norrisii
|
England |
Late Bajocian |
Early Oxfordian |
Ctenidodinium |
Ctenidodinium ornatum
|
England |
Late Bajocian |
Oxfordian |
Ctenidodinium |
Ctenidodinium pachydermum
|
England |
Late Bajocian |
Early Oxfordian |
Ctenidodinium |
Ctenidodinium panneum
|
England |
Middle Kimmeridgian |
Middle Portlandian |
Ctenidodinium |
Ctenidodinium sellwoodii
|
England |
Late Bajocian |
Oxfordian |
Ctenidodinium |
Ctenidodinium stauromatos
|
England |
Late Bajocian |
Oxfordian |
Cyclonephelium |
Cyclonephelium hystrix
|
England |
Early Portlandian |
|