Pseudoceratium |
Pseudoceratium gochtii
|
Nd |
Late Barremian |
Early Aptian |
Pseudoceratium |
Pseudoceratium gochtii
|
Nd |
Late Hauterivian |
Barremian |
Pseudoceratium |
Pseudoceratium nudum
|
Nd |
Hauterivian |
|
Pseudoceratium |
Pseudoceratium pelliferum
|
Nd |
Late Valanginian |
Barremian |
Pseudoceratium |
Pseudoceratium turneri
|
Nd |
Aptian |
Cenomanian |
Pseudodeflandrea |
Pseudodeflandrea gigantea
|
Nd |
Middle Oligocene |
|
Pterodinium |
Pterodinium aliferum
|
Nd |
Late Aptian |
|
Pterodinium |
Pterodinium cornutum
|
Nd |
Aptian |
Albian |
Pterodinium |
Pterodinium magnoserratum
|
Nd |
Aptian |
Albian |
Pyxidiella |
Pyxidiella pandora
|
Nd |
Kimmeridgian |
Tithonian |
Pyxidiella |
Pyxidiella scrobiculata
|
Nd |
Coniacian |
Early Eocene |
Raphidodinium |
Raphidodinium fucatum
|
Nd |
Coniacian |
Campanian |
Rhaetogonyaulax |
Rhaetogonyaulax chaloneri
|
Nd |
Rhaetian |
|
Rhaetogonyaulax |
Rhaetogonyaulax rhaetica
|
Nd |
Rhaetian |
|
Rhombodella |
Rhombodella natans
|
Nd |
Aptian |
Albian |
Samlandia |
Samlandia angustivela
|
Nd |
Early Eocene |
|
Samlandia |
Samlandia chlamydophora
|
Nd |
Early Oligocene |
|