Hystrichokolpoma |
Hystrichokolpoma ferox
|
France |
Turonian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium ferox
|
England |
Turonian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium ferox
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium flosculus
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium readei
|
England |
Albian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
England |
Albian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium tridactylites
|
England |
Turonian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium tridactylites
|
France |
Turonian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
England |
Albian |
Senonian |
Kleithriasphaeridium |
Kleithriasphaeridium corrugatum
|
England |
Ryazanian |
Barremian |
Kleithriasphaeridium |
Kleithriasphaeridium fasciatum
|
England |
Ryazanian |
Barremian |
Kleithriasphaeridium |
Kleithriasphaeridium loffrense
sp. nov. |
England |
Aptian |
Senonian |
Kleithriasphaeridium |
Kleithriasphaeridium loffrense
sp. nov. |
France |
Cenomanian |
Senonian |
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
England |
Albian |
Senonian |
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
France |
Cenomanian |
Senonian |
Kleithriasphaeridium |
Kleithriasphaeridium simplicispinum
|
England |
Hauterivian |
Aptian |
Silicisphaera |
Silicisphaera
|
France(Paris Basin) |
Senonian |
|