Gonyaulacysta |
Gonyaulacysta jurassica
|
North America |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Europe |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
New Guinea |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Canada(Arctic) |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Greenland |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Australia(W.Australia) |
Callovian |
Oxfordian |
Imbatodinium |
Imbatodinium villosum
|
Canada(Arctic) |
Kimmeridgian |
Tithonian |
Imbatodinium |
Imbatodinium villosum
|
USSR(Russian Platform) |
Kimmeridgian |
Tithonian |
Imbatodinium |
Imbatodinium villosum
|
Denmark |
Kimmeridgian |
Tithonian |
Lanterna |
Lanterna sportula
|
Atlantic Ocean |
Kimmeridgian |
Tithonian |
Lanterna |
Lanterna sportula
|
Bulgaria |
Kimmeridgian |
Tithonian |
Lanterna |
Lanterna sportula
|
England |
Kimmeridgian |
Tithonian |
Lanterna |
Lanterna sportula
|
Canada(Eastern Offshore) |
Kimmeridgian |
Tithonian |
Muderongia |
Muderongia
|
Worldwide |
Neocomian |
|
Nannoceratopsis |
Nannoceratopsis pellucida
|
North America |
Callovian |
Oxfordian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Europe |
Callovian |
Oxfordian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
New Guinea |
Callovian |
Oxfordian |