Ascodinium |
Ascodinium implanum
|
Atlantic(Bay of Biscay) |
Albian |
|
Ovoidinium |
Ovoidinium implanum
|
Atlantic(Bay of Biscay) |
Albian |
|
Ascodinium |
Ascodinium diversum
|
Atlantic(Bay of Biscay) |
Aptian |
Albian |
Ovoidinium |
Ovoidinium diversum
|
Atlantic(Bay of Biscay) |
Aptian |
Albian |
Ascodinium |
Ascodinium cinctum
|
Australia(W.Australia) |
Late Neocomian |
Early Aptian |
Deflandrea |
Deflandrea cincta
|
Australia(W.Australia) |
Late Neocomian |
Early Aptian |
Ascodinium |
Ascodinium waltonii
|
Canada(W.Canada) |
Oxfordian |
Late Malm |
Evittia |
Evittia waltonii
|
Canada(W.Canada) |
Oxfordian |
Late Malm |
Ovoidinium |
Ovoidinium indicum
|
India(Madras) |
Aptian |
Early Albian |
Ascodinium |
Ascodinium diversum
|
Mexico |
Late Cretaceous |
|
Ovoidinium |
Ovoidinium diversum
|
Mexico |
Late Cretaceous |
|
Ascodinium |
Ascodinium microreticulatum
|
Nd |
Nd |
|
Ovoidinium |
Ovoidinium fragile
|
Nd |
Nd |
|
Ovoidinium |
Ovoidinium kansanum
|
Nd |
Nd |
|
Deflandrea |
Deflandrea stagonoides
|
Nd |
Nd |
|
Ascodinium |
Ascodinium
|
Nd |
Nd |
|
Ascodinium |
Ascodinium acrophorum
|
Nd |
Nd |
|