Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
France |
Late Cretaceous |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
France(Aisne) |
Early Cenomanian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
France(Calvados) |
Early Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium echinoides
|
Germany |
Oligocene |
|
Cleistosphaeridium |
Cleistosphaeridium leve
|
Germany |
Oligocene |
Miocene |
Cleistosphaeridium |
Cleistosphaeridium pectiniforme
|
Germany |
Oligocene |
|
Cleistosphaeridium |
Cleistosphaeridium tiara
|
Germany |
Eocene |
|
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Germany |
Late Jurassic |
|
Prolixosphaeridium |
Prolixosphaeridium xanthiopyxides
|
Germany |
Late Cretaceous |
|
Cleistosphaeridium |
Cleistosphaeridium israelianum
|
Israel |
Quaternary |
|
Hystrichosphaeridium |
Hystrichosphaeridium ancoriferum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium heteracanthum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium xanthiopyxides
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium armatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium asteroideum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium claviculorum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium clavispinulosum
|
Nd |
Nd |
|