Baltisphaeridium |
Baltisphaeridium mixtispinosum
|
Germany(Bavaria) |
Early Kimmeridgian |
|
Baltisphaeridium |
Baltisphaeridium pectiniforme
|
W.Germany(Niedersachsen) |
Middle Oligocene |
|
Baltisphaeridium |
Baltisphaeridium triangulatum
|
W.Germany(Niedersachsen) |
Middle Oligocene |
Middle Miocene |
Baltisphaeridium |
Baltisphaeridium tribuliferum
|
England(Yorkshire) |
Oxfordian |
|
Cannosphaeropsis |
Cannosphaeropsis filamentosa
|
Australia(W.Australia) |
Early Callovian |
|
Cleistosphaeridium |
Cleistosphaeridium ashdodense
|
Israel |
Quaternary |
|
Cleistosphaeridium |
Cleistosphaeridium danicum
|
W.Germany(Schleswig) |
Paleocene |
|
Cleistosphaeridium |
Cleistosphaeridium echinoides
|
W.Germany |
Middle Oligocene |
Middle Miocene |
Cleistosphaeridium |
Cleistosphaeridium ehrenbergii
|
France(Calvados) |
Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium leve
|
W.Germany |
Late Oligocene |
Middle Miocene |
Cleistosphaeridium |
Cleistosphaeridium lumectum
|
England(Dorset) |
Middle Callovian |
Late Oxfordian |
Cleistosphaeridium |
Cleistosphaeridium multifurcatum
|
France(Paris Basin) |
Senonian |
|
Cleistosphaeridium |
Cleistosphaeridium oligacanthum
|
Baltic |
Danian |
|
Cleistosphaeridium |
Cleistosphaeridium pectiniforme
|
W.Germany(Niedersachsen) |
Middle Oligocene |
|
Cleistosphaeridium |
Cleistosphaeridium polytrichum
|
France(Vienne) |
Bathonian |
|
Cleistosphaeridium |
Cleistosphaeridium spiralisetum
|
Netherlands |
Maastrichtian |
|
Cleistosphaeridium |
Cleistosphaeridium tiara
|
W.Germany(Schleswig) |
Middle Eocene |
Late Eocene |