Adnatosphaeridium |
Adnatosphaeridium aemulum
|
North America |
Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
Europe |
Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
New Guinea |
Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
Canada(Arctic) |
Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
Greenland |
Callovian |
Oxfordian |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
Australia(W.Australia) |
Callovian |
Oxfordian |
Amphorula |
Amphorula sp
|
Atlantic Ocean |
Early Cretaceous |
|
Amphorula |
Amphorula sp
|
Europe |
Early Cretaceous |
|
Amphorula |
Amphorula sp
|
Pakistan |
Early Cretaceous |
|
Belodinium |
Belodinium dysculum
|
Australia(W.Australia) |
Kimmeridgian |
Tithonian |
Belodinium |
Belodinium dysculum
|
California |
Kimmeridgian |
Tithonian |
Biorbifera |
Biorbifera johnewingii
|
Atlantic Ocean |
Early Cretaceous |
|
Biorbifera |
Biorbifera johnewingii
|
Europe |
Early Cretaceous |
|
Biorbifera |
Biorbifera johnewingii
|
Pakistan |
Early Cretaceous |
|
Broomea |
Broomea longicornuta
|
Canada(Arctic) |
Early Cretaceous |
|
Broomea |
Broomea longicornuta
|
USSR(Russian Platform) |
Early Cretaceous |
|
Broomea |
Broomea longicornuta
|
Canada |
Early Cretaceous |
|