Hystrichosphaeridium |
Hystrichosphaeridium echinatum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium equispinosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium erectum
|
Canada(NWT,Franklin) |
Albian |
Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium gliwicense
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium hillii
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium hirundo
|
W.Germany(Schleswig) |
Late Aptian |
|
Hystrichosphaeridium |
Hystrichosphaeridium intermedium
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium irregulare
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium lateraliprocessum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium latirictum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium leonardianum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium mariannae
|
France |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium mineralosum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium monstruosum
|
Kansas |
Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium multicornutum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium pachydermum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium palmatum
|
Nd |
Nd |
|