Gonyaulacysta |
Gonyaulacysta variabilis
|
Canada(W.Canada) |
Late Bajocian |
Kimmeridgian |
Chytroeisphaeridia |
Chytroeisphaeridia variabilis
|
Canada(W.Canada) |
Late Bajocian |
Kimmeridgian |
Batiacasphaera |
Batiacasphaera sp
|
Denmark |
Late Ryazanian |
Early Valanginian |
Chytroeisphaeridia |
Chytroeisphaeridia chytroeides
|
England |
Late Oxfordian |
|
Dinocyst |
Dinocyst sp
|
England |
Late Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia scabrata
|
England(Dorset) |
Late Bajocian |
Early Bathonian |
Chytroeisphaeridia |
Chytroeisphaeridia pericompsa
|
England(Dorset) |
Kimmeridgian |
|
Tectatodinium |
Tectatodinium granulatum
|
England(Dorset) |
Kimmeridgian |
|
Dinocyst |
Dinocyst sp
|
England(Dorset) |
Late Bajocian |
|
Dinocyst |
Dinocyst sp
|
England(Dorset) |
Middle Bajocian |
|
Tapeinosphaeridium |
Tapeinosphaeridium pericompsum
|
England(Dorset) |
Kimmeridgian |
|
Tapeinosphaeridium |
Tapeinosphaeridium granulatum
|
England(Dorset) |
Kimmeridgian |
|
Chytroeisphaeridia |
Chytroeisphaeridia mantellii
|
England(Surrey) |
Late Kimmeridgian |
|
Chytroeisphaeridia |
Chytroeisphaeridia
|
England(Yorkshire) |
Oxfordian |
|
Batiacasphaera |
Batiacasphaera euteiches
|
France |
Cenomanian |
|
Chytroeisphaeridia |
Chytroeisphaeridia euteiches
|
France |
Cenomanian |
|
Lithodinia |
Lithodinia pocockii
|
France(Calvados) |
Late Callovian |
|