Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Northern Hemisphere |
Aptian |
Ypresian |
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
Northern Hemisphere |
Hauterivian |
Albian |
Hystrichosphaeropsis |
Hystrichosphaeropsis obscura
|
Northern Hemisphere |
Chattian |
Late Neogene |
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
Northern Hemisphere |
Late Albian |
Campanian |
Impagidinium |
Impagidinium aquaeductum
|
Northern Hemisphere |
Serravallian |
Tortonian |
Impagidinium |
Impagidinium dispertitum
|
Northern Hemisphere |
Bartonian |
Chattian |
Impagidinium |
Impagidinium patulum
|
Northern Hemisphere |
Burdigalian |
Recent |
Invertocysta |
Invertocysta tabulata
|
Northern Hemisphere |
Serravallian |
Pleistocene |
Isabelidinium |
Isabelidinium sp
|
Northern Hemisphere |
Turonian |
Early Maastrichtian |
Kiokansium |
Kiokansium williamsii
|
Northern Hemisphere |
Late Albian |
Cenomanian |
Kisselevia |
Kisselevia coleothrypta
|
Northern Hemisphere |
Ypresian |
Rupelian |
Kleithriasphaeridium |
Kleithriasphaeridium loffrense
|
Northern Hemisphere |
Albian |
Early Campanian |
Labyrinthodinium |
Labyrinthodinium truncatum
|
Northern Hemisphere |
Serravallian |
Tortonian |
Laciniadinium |
Laciniadinium arcticum
|
Northern Hemisphere |
Campanian |
Early Maastrichtian |
Lanterna |
Lanterna cantrellii
|
Greenland |
Jurassic |
|
Lanterna |
Lanterna sp
|
Northern Hemisphere |
Late Oxfordian |
Portlandian |
Lanternosphaeridium |
Lanternosphaeridium sp
|
Northern Hemisphere |
Late Campanian |
Ypresian |