Cleistosphaeridium |
Cleistosphaeridium polyacanthum
|
Denmark |
Early Volgian |
Middle Volgian |
Cleistosphaeridium |
Cleistosphaeridium polytrichum
|
Poland |
Late Volgian |
|
Cleistosphaeridium |
Cleistosphaeridium polytrichum
|
Denmark |
Late Volgian |
|
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
Poland |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
Denmark |
Early Oxfordian |
Middle Oxfordian |
Cometodinium |
Cometodinium jurassicum
sp. nov. |
Poland |
Middle Oxfordian |
|
Cometodinium |
Cometodinium jurassicum
|
Poland |
Middle Oxfordian |
Early Volgian |
Compositosphaeridium |
Compositosphaeridium polonicum
|
Poland |
Middle Oxfordian |
|
Compositosphaeridium |
Compositosphaeridium polonicum
|
Denmark |
Middle Oxfordian |
|
Corollina |
Corollina
|
Poland |
Rhaetian |
|
Corollina |
Corollina
|
Denmark |
Rhaetian |
|
Cribroperidinium |
Cribroperidinium angulosum
|
France |
Early Kimmeridgian |
|
Cribroperidinium |
Cribroperidinium crispum
|
W.Germany |
Middle Dogger |
|
Cribroperidinium |
Cribroperidinium downiei
|
England(Dorset) |
Late Kimmeridgian |
|
Cribroperidinium |
Cribroperidinium globatum
|
Poland |
Kimmeridgian |
Middle Volgian |
Cribroperidinium |
Cribroperidinium globatum
|
Denmark |
Late Oxfordian |
Middle Ryazanian |
Cribroperidinium |
Cribroperidinium granulatum
|
Poland |
Late Oxfordian |
Volgian |