Achomosphaera |
Achomosphaera alcicornu
|
W.Germany |
Oligocene |
|
Achomosphaera |
Achomosphaera alcicornu
|
Poland |
Oligocene |
|
Achomosphaera |
Achomosphaera grallaeformis
|
W.Germany(Hesse) |
Late Oligocene |
|
Achomosphaera |
Achomosphaera hirundo
|
W.Germany(Schleswig) |
Late Aptian |
|
Achomosphaera |
Achomosphaera hyperacantha
|
Australia(Victoria) |
Miocene |
|
Achomosphaera |
Achomosphaera triangulata
|
W.Germany(Niedersachsen) |
Middle Oligocene |
Middle Miocene |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
France(Calvados) |
Oxfordian |
|
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
France |
Late Jurassic |
|
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
France(Calvados) |
Early Oxfordian |
|
Adnatosphaeridium |
Adnatosphaeridium filamentosum
|
Australia(W.Australia) |
Early Callovian |
|
Adnatosphaeridium |
Adnatosphaeridium filiferum
|
Australia |
Campanian |
Maestrichtian |
Adnatosphaeridium |
Adnatosphaeridium utinensis
|
Australia |
Campanian |
Maestrichtian |
Areoligera |
Areoligera danica
|
W.Germany(Schleswig) |
Paleocene |
|
Areoligera |
Areoligera galea
|
W.Germany |
Middle Oligocene |
|
Areoligera |
Areoligera lychnea
|
W.Germany |
Middle Miocene |
|
Areoligera |
Areoligera twistringiensis
|
W.Germany |
Oligocene |
|
Baltisphaeridium |
Baltisphaeridium lumectum
|
England(Dorset) |
Middle Callovian |
Late Oxfordian |