Gonyaulacysta |
Gonyaulacysta variabilis
|
Europe |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta vozzhennikovae
|
Northern Hemisphere |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta vozzhennikovae
|
Gondwanaland |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta vozzhennikovae
|
Europe |
Oxfordian |
|
Heslertonia |
Heslertonia pellucida
|
Northern Hemisphere |
Oxfordian |
|
Heslertonia |
Heslertonia pellucida
|
Gondwanaland |
Oxfordian |
|
Heslertonia |
Heslertonia pellucida
|
Europe |
Oxfordian |
|
Heslertonia |
Heslertonia teichophera
|
Northern Hemisphere |
Callovian |
Oxfordian |
Heslertonia |
Heslertonia teichophera
|
Gondwanaland |
Oxfordian |
|
Heslertonia |
Heslertonia teichophera
|
Europe |
Oxfordian |
|
Histiophora |
Histiophora ornata
|
Northern Hemisphere |
Oxfordian |
|
Histiophora |
Histiophora ornata
|
Gondwanaland |
Oxfordian |
|
Histiophora |
Histiophora ornata
|
Europe |
Oxfordian |
|
Horologinella |
Horologinella spinosigibberosa
|
Northern Hemisphere |
Callovian |
Kimmeridgian |
Horologinella |
Horologinella spinosigibberosa
|
Gondwanaland |
Oxfordian |
|
Horologinella |
Horologinella spinosigibberosa
|
Europe |
Oxfordian |
|
Hystrichodinium |
Hystrichodinium lanceatum
|
Northern Hemisphere |
Callovian |
Kimmeridgian |