Pterodinium |
Pterodinium cornutum
|
Nd |
Aptian |
Albian |
Pterodinium |
Pterodinium magnoserratum
|
Nd |
Aptian |
Albian |
Pterodinium |
Pterodinium perforatum
|
Nd |
Early Cenomanian |
|
Pterodinium |
Pterodinium reticulatum
|
Nd |
Middle Albian |
|
Pterospermopsis |
Pterospermopsis pelagica
|
Nd |
Nd |
|
Pterospermopsis |
Pterospermopsis vancampoae
|
Nd |
Nd |
|
Pyramidium |
Pyramidium
|
Nd |
Nd |
|
Pyxidiella |
Pyxidiella pandora
|
Nd |
Late Jurassic |
|
Pyxidiella |
Pyxidiella scrobiculata
|
Nd |
Santonian |
Eocene |
Raphidodinium |
Raphidodinium fucatum
|
Nd |
Senonian |
|
Renidinium |
Renidinium membraniferum
|
Nd |
Danian |
|
Rhaetogonyaulax |
Rhaetogonyaulax chaloneri
|
Nd |
Late Triassic |
|
Rhaetogonyaulax |
Rhaetogonyaulax rhaetica
|
Nd |
Late Triassic |
|
Rhombodella |
Rhombodella natans
|
Nd |
Aptian |
Albian |
Rhombodinium |
Rhombodinium coronatum
|
Nd |
Late Eocene |
|
Rhombodinium |
Rhombodinium draco
|
Nd |
Middle Oligocene |
|
Rhombodinium |
Rhombodinium draco
|
Nd |
Middle Oligocene |
|