Hystrichosphaeridium |
Hystrichosphaeridium membranaceum
|
France |
Late Cretaceous |
|
Cleistosphaeridium |
Cleistosphaeridium ehrenbergii
|
France(Calvados) |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta cladophora
|
France(Calvados) |
Early Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta pachyderma
|
France(Calvados) |
Early Oxfordian |
|
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
France(Calvados) |
Oxfordian |
|
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
France(Calvados) |
Early Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium caulleryi
|
France(Calvados) |
Early Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium aemulum
|
France(Calvados) |
Oxfordian |
|
Gonyaulax |
Gonyaulax cladophora
|
France(Calvados) |
Early Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium ehrenbergii
|
France(Calvados) |
Oxfordian |
|
Gonyaulax |
Gonyaulax pachyderma
|
France(Calvados) |
Early Oxfordian |
|
Polysphaeridium |
Polysphaeridium fucosum
|
France(Cher) |
Cretaceous |
|
Polysphaeridium |
Polysphaeridium rhabdophorum
|
France(Cher) |
Senonian |
|
Micrhystridium |
Micrhystridium fucosum
|
France(Cher) |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium rhabdophorum
|
France(Cher) |
Senonian |
|
Gonyaulacysta |
Gonyaulacysta mamillifera
|
France(Jura) |
Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta nannotrix
|
France(Jura) |
Kimmeridgian |
|