Gonyaulacysta |
Gonyaulacysta eisenackii
|
Poland |
Middle Oxfordian |
Early Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta eisenackii
|
Denmark |
Late Oxfordian |
Early Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Denmark |
Middle Volgian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
Poland |
Nd |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
Denmark |
Early Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
Poland |
Middle Oxfordian |
Middle Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Denmark |
Oxfordian |
Early Volgian |
Gonyaulacysta |
Gonyaulacysta tuberculata
|
Poland |
Kimmeridgian |
Middle Volgian |
Gonyaulacysta |
Gonyaulacysta tuberculata
|
Denmark |
Kimmeridgian |
Middle Ryazanian |
Gonyaulax |
Gonyaulax crispa
|
W.Germany |
Middle Dogger |
|
Gonyaulax |
Gonyaulax paliuro
|
England(Dorset) |
Late Oxfordian |
|
Gonyaulax |
Gonyaulax tenuiceras
|
W.Germany(Schleswig) |
Late Aptian |
|
Gonyaulax |
Gonyaulax venusta
|
Poland |
Early Kimmeridgian |
|
Gonyaulax |
Gonyaulax venusta
|
Denmark |
Late Oxfordian |
Early Volgian |
Gonyaulax |
Gonyaulax venusta
|
Germany |
Early Malm |
Middle Malm |
Heslertonia |
Heslertonia heslertonensis
|
Poland |
Nd |
|
Heslertonia |
Heslertonia heslertonensis
|
Denmark |
Late Volgian |
|