Hystrichosphaeridium |
Hystrichosphaeridium collum
|
Nd |
Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium complex
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cooksoniae
|
Nd |
Late Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium costatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium crassipes
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cribrotubiferum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cruciatum
|
Nd |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium cylindratum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cylindratum
|
Nd |
Early Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium danicum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium deanei
|
Nd |
Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium deflandrei
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium dictyophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium dictyostilum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium difficile
|
Nd |
Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium diktyoplokum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium diktyoplokum
|
Nd |
Nd |
|