Hystrichodinium |
Hystrichodinium lanceatum
|
Spitsbergen |
Late Bathonian |
Early Oxfordian |
Hystrichodinium |
Hystrichodinium lanceatum
|
USSR(Franz Josef Land) |
Late Bathonian |
Early Oxfordian |
Hystrichodinium |
Hystrichodinium lanceatum
|
Greenland |
Early Callovian |
Middle Callovian |
Hystrichodinium |
Hystrichodinium lanceatum
|
England(Lincolnshire) |
Late Bathonian |
Early Oxfordian |
Hystrichodinium |
Hystrichodinium lanceatum
|
England(Nottinghamshire) |
Late Bathonian |
Early Oxfordian |
Hystrichogonyaulax |
Hystrichogonyaulax cornigera
|
England(Yorkshire) |
Late Bathonian |
Early Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax cornigera
|
England(Dorset) |
Late Bathonian |
Early Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax cornigera
|
England(Lincolnshire) |
Late Bathonian |
Early Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax cornigera
|
England(Nottinghamshire) |
Late Bathonian |
Early Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax nealei
|
England(Yorkshire) |
Early Oxfordian |
|
Hystrichogonyaulax |
Hystrichogonyaulax nealei
|
England(Dorset) |
Early Oxfordian |
|
Hystrichogonyaulax |
Hystrichogonyaulax nealei
|
England(Lincolnshire) |
Early Oxfordian |
|
Hystrichogonyaulax |
Hystrichogonyaulax nealei
|
England(Nottinghamshire) |
Early Oxfordian |
|
Hystrichogonyaulax |
Hystrichogonyaulax pectinigera
|
Canada(Arctic) |
Late Bathonian |
Early Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax pectinigera
|
Arctic Ocean(Barents Sea) |
Late Bathonian |
Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax pectinigera
|
Atlantic(Norwegian Sea) |
Late Bathonian |
Middle Callovian |
Hystrichogonyaulax |
Hystrichogonyaulax pectinigera
|
North Sea |
Late Bathonian |
Middle Callovian |