Hystrichosphaeridium |
Hystrichosphaeridium bulbosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium clavigerum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cruciatum
sp. nov. |
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium elegantulum
sp. nov. |
Belgium |
Late Turonian |
Senonian |
Hystrichosphaeridium |
Hystrichosphaeridium majus
sp. nov. |
Belgium |
Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
England |
Senonian |
Maastrichtian |
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Belgium |
Senonian |
Maastrichtian |
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
France |
Senonian |
Maastrichtian |
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
Nd |
Jurassic |
Cretaceous |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Nd |
Late Turonian |
Maastrichtian |
Tubiferum |
Tubiferum recurvatum
|
Nd |
Nd |
|
Xanthidium |
Xanthidium tubiferum
|
Nd |
Nd |
|