Phelodinium |
Phelodinium pentagonale
|
Italy |
Senonian |
|
Deflandrea |
Deflandrea pentagonalis
|
Italy |
Senonian |
|
Corradinisphaeridium |
Corradinisphaeridium personatum
|
Italy |
Senonian |
|
Lanternosphaeridium |
Lanternosphaeridium personatum
|
Italy |
Senonian |
|
Capillicysta |
Capillicysta fusca
|
Japan(Akita Pref.) |
Middle Miocene |
Late Miocene |
Reticulatosphaera |
Reticulatosphaera stellata
|
Japan(Sea of Japan) |
Pliocene |
|
Vesperopsis |
Vesperopsis mayi
|
Kansas |
Albian |
|
Balmula |
Balmula tripenta
|
Kansas |
Late Albian |
|
Kiokansium |
Kiokansium unituberculatum
|
Kansas |
Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium unituberculatum
|
Kansas |
Cretaceous |
|
Brigantedinium |
Brigantedinium simplex
|
Massachusetts |
Recent |
|
Corrudinium |
Corrudinium incompositum
|
Mississippi |
Oligocene |
|
Gonyaulacysta |
Gonyaulacysta incomposita
|
Mississippi |
Oligocene |
|
Escharisphaeridia |
Escharisphaeridia pocockii
|
Nd |
Nd |
|
Chytroeisphaeridia |
Chytroeisphaeridia pocockii
|
Nd |
Nd |
|
Cepadinium |
Cepadinium ventriosum
|
Nd |
Nd |
|
Deflandrea |
Deflandrea ventriosa
|
Nd |
Nd |
|