Hystrichosphaera |
Hystrichosphaera speciosa
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera tertiaria
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera tertiaria
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera tertiaria
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera tertiaria
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera tertiaria
sp. nov. |
Nd |
Nd |
Nd |
Hystrichosphaera |
Hystrichosphaera tertiaria
sp. nov. |
Nd |
Nd |
Nd |
Hystrichosphaera |
Hystrichosphaera tertiaria
sp. nov. |
Nd |
Nd |
Nd |
Hystrichosphaeridium |
Hystrichosphaeridium alcicornu
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium biformoides
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium claviculorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cylindratum
|
Belgium |
Ypresian |
|
Hystrichosphaeridium |
Hystrichosphaeridium diktyoplokum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium divergens
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium inodes
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium langii
|
Belgium |
Ypresian |
|
Hystrichosphaeridium |
Hystrichosphaeridium patulum
|
Belgium |
Ypresian |
|