Achilleodinium |
Achilleodinium biformoides
|
Southern Hemisphere |
Early Ypresian |
Early Rupelian |
Achilleodinium |
Achilleodinium biformoides
|
Northern Hemisphere |
Early Ypresian |
Early Rupelian |
Achomosphaera |
Achomosphaera alcicornu
|
Southern Hemisphere |
Late Thanetian |
Serravallian |
Achomosphaera |
Achomosphaera alcicornu
|
Northern Hemisphere |
Late Thanetian |
Serravallian |
Achomosphaera |
Achomosphaera andalousiensis
|
Southern Hemisphere |
Serravallian |
Holocene |
Achomosphaera |
Achomosphaera andalousiensis
|
Northern Hemisphere |
Serravallian |
Holocene |
Adnatosphaeridium |
Adnatosphaeridium tutulosum
|
Southern Hemisphere |
Middle Cenomanian |
Late Cenomanian |
Adnatosphaeridium |
Adnatosphaeridium tutulosum
|
Northern Hemisphere |
Middle Cenomanian |
Late Cenomanian |
Alisocysta |
Alisocysta circumtabulata
|
Northern Hemisphere |
Late Maestrichtian |
Late Thanetian |
Alisocysta |
Alisocysta circumtabulata
|
Southern Hemisphere |
Late Maestrichtian |
Late Thanetian |
Alisocysta |
Alisocysta margarita
|
Southern Hemisphere |
Early Danian |
Early Ypresian |
Alisocysta |
Alisocysta margarita
|
Northern Hemisphere |
Early Danian |
Early Ypresian |
Alisocysta |
Alisocysta reticulata
|
Southern Hemisphere |
Late Maestrichtian |
Early Ypresian |
Alisocysta |
Alisocysta reticulata
|
Northern Hemisphere |
Late Maestrichtian |
Early Ypresian |
Alisogymnium |
Alisogymnium euclaense
|
Southern Hemisphere |
Coniacian |
Early Danian |
Alisogymnium |
Alisogymnium euclaense
|
Northern Hemisphere |
Coniacian |
Early Danian |
Alterbidinium |
Alterbidinium distinctum
|
Southern Hemisphere |
Middle Bartonian |
Early Rupelian |