Acanthaulax |
Acanthaulax crispa
|
England |
Late Bajocian |
|
Acanthaulax |
Acanthaulax senta
|
England |
Late Callovian |
Early Oxfordian |
Acanthaulax |
Acanthaulax venusta
|
England |
Callovian |
Kimmeridgian |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
England |
Bathonian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
England |
Bathonian |
Valanginian |
Aldorfia |
Aldorfia aldorfensis
|
England |
Late Bajocian |
Middle Callovian |
Ambonosphaera |
Ambonosphaera jurassica
|
England |
Kimmeridgian |
|
Atopodinium |
Atopodinium prostatum
|
England |
Bathonian |
Early Oxfordian |
Baltisphaeridium |
Baltisphaeridium varispinosum
|
England |
Middle Bathonian |
Middle Callovian |
Belodinium |
Belodinium sp
|
England |
Late Callovian |
Oxfordian |
Cannosphaeropsis |
Cannosphaeropsis sp.A Dave.,1979
sp. nov. |
England |
Late Kimmeridgian |
Ryazanian |
Chytroeisphaeridia |
Chytroeisphaeridia cerastes
|
England |
Bathonian |
Early Oxfordian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
England |
Late Bajocian |
Portlandian |
Chytroeisphaeridia |
Chytroeisphaeridia hyalina
|
England |
Callovian |
|
Cleistosphaeridium |
Cleistosphaeridium ehrenbergii
|
England |
Bajocian |
Portlandian |
Cleistosphaeridium |
Cleistosphaeridium lumectum
|
England |
Bajocian |
Portlandian |
Cleistosphaeridium |
Cleistosphaeridium polytrichum
|
England |
Bajocian |
Portlandian |