Hystrichosphaeridium |
Hystrichosphaeridium arundum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium assamicum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium asterium
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium biforme
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium breviatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium calvum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cambayense
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium choanophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium claviculorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium collum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cooksoniae
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cruciatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cylindratum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium difficile
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium divergens
|
E.Germany |
Early Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium dowlingii
|
Nd |
Nd |
|