Kleithriasphaeridium |
Kleithriasphaeridium loffrense
|
France(Paris Basin) |
Cenomanian |
Santonian |
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
France(Paris Basin) |
Late Albian |
Coniacian |
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
England |
Late Albian |
Cenomanian |
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
Poland |
Turonian |
|
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
Belgium |
Santonian |
|
Leiofusa |
Leiofusa jurassica
|
France(Paris Basin) |
Late Albian |
|
Leiofusa |
Leiofusa jurassica
|
England |
Cenomanian |
|
Leiofusa |
Leiofusa jurassica
|
England |
Late Albian |
|
Leiofusa |
Leiofusa jurassica
|
Belgium |
Early Danian |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
|
France(Paris Basin) |
Late Albian |
Cenomanian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
England |
Late Albian |
Turonian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
Germany |
Cenomanian |
|
Meiourogonyaulax |
Meiourogonyaulax stoveri
|
France(Paris Basin) |
Late Albian |
|
Membranilarnacia |
Membranilarnacia ursulae
|
France(Paris Basin) |
Coniacian |
Early Danian |
Membranilarnacia |
Membranilarnacia ursulae
|
England |
Early Danian |
|
Membranilarnacia |
Membranilarnacia ursulae
|
Germany |
Early Danian |
|
Membranilarnacia |
Membranilarnacia ursulae
|
Belgium |
Early Danian |
|