Hystrichosphaeridium |
Hystrichosphaeridium langii
|
England(Dorset) |
Liassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium oligacanthum
|
W.Germany(Schleswig) |
Danian |
|
Hystrichosphaeridium |
Hystrichosphaeridium paradoxum
|
W.Germany(Hesse) |
Late Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium pseudhystrichodinium
|
France(Paris Basin) |
Senonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium unituberculatum
|
Kansas |
Cretaceous |
|
Hystrichosphaerina |
Hystrichosphaerina schindewolfii
|
W.Germany(Niedersachsen) |
Cretaceous |
|
Hystrichostrogylon |
Hystrichostrogylon stolidotum
|
England(Isle of Wight) |
Barremian |
|
Ifecysta |
Ifecysta pachyderma
|
Nigeria |
Late Paleocene |
Early Eocene |
Imbatodinium |
Imbatodinium villosum
|
USSR(Siberia) |
Late Jurassic |
|
Indodinium |
Indodinium khariense
|
India(Gujarat) |
Jurassic |
|
Invertocysta |
Invertocysta tabulata
|
Atlantic Ocean(East) |
Middle Miocene |
|
Kiokansium |
Kiokansium unituberculatum
|
Kansas |
Cretaceous |
|
Korystocysta |
Korystocysta kettonensis
|
England(Lincolnshire) |
Bathonian |
|
Kylindrocysta |
Kylindrocysta spinosa
|
England(Dorset) |
Late Bajocian |
|
Labyrinthodinium |
Labyrinthodinium truncatum
|
Denmark |
Middle Miocene |
|
Lacrymodinium |
Lacrymodinium warrenii
|
California |
Tithonian |
Valanginian |
Lanternosphaeridium |
Lanternosphaeridium personatum
|
Italy |
Senonian |
|