Hystrichosphaeridium |
Hystrichosphaeridium biforme
|
Nd |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium biformoides
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Nd |
Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium breviatum
|
Nd |
Early Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium brideauxii
sp. nov. |
Canada(Alberta) |
Late Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium bulbosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium calvum
|
Nd |
Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium cambayense
|
Nd |
Eocene |
Oligocene |
Hystrichosphaeridium |
Hystrichosphaeridium caminuspinum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium cantharellus
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium capitatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium caulleryi
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium centrocarpum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium choanophorum
|
Nd |
Late Neogene |
|
Hystrichosphaeridium |
Hystrichosphaeridium clavigerum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium coelenteratum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium colligerum
|
Nd |
Nd |
|