Polysphaeridium |
Polysphaeridium marsupium
|
Kansas |
Albian |
|
Polysphaeridium |
Polysphaeridium paulinae
|
France(Poitou) |
Bajocian |
|
Polysphaeridium |
Polysphaeridium perovatum
|
Kansas |
Albian |
|
Polysphaeridium |
Polysphaeridium rhabdophorum
|
France(Cher) |
Senonian |
|
Polysphaeridium |
Polysphaeridium simplex
|
England |
Late Cretaceous |
|
Polysphaeridium |
Polysphaeridium tribrachiosum
|
Kansas |
Albian |
|
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Germany(Bavaria) |
Early Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
France(Paris Basin) |
Senonian |
|
Prolixosphaeridium |
Prolixosphaeridium xanthiopyxides
|
Germany |
Late Senonian |
|
Psaligonyaulax |
Psaligonyaulax apatela
|
Australia(W.Australia) |
Oxfordian |
Early Kimmeridgian |
Psaligonyaulax |
Psaligonyaulax simplicia
|
Australia(W.Australia) |
Eocene |
|
Rhaetogonyaulax |
Rhaetogonyaulax chaloneri
|
England(Gloucestershire) |
Rhaetian |
|
Rottnestia |
Rottnestia simplicia
|
Australia(W.Australia) |
Eocene |
|
Scriniodinium |
Scriniodinium apatelum
|
Australia(W.Australia) |
Oxfordian |
Early Kimmeridgian |
Systematophora |
Systematophora placacantha
|
Australia(Victoria) |
Miocene |
|
Tanyosphaeridium |
Tanyosphaeridium ellipticum
|
Australia(Victoria) |
Late Eocene |
|
Tanyosphaeridium |
Tanyosphaeridium isocalamum
|
Australia(NSW) |
Early Cretaceous |
|