Gonyaulacysta |
Gonyaulacysta serrata
|
Atlantic Ocean |
Hauterivian |
Barremian |
Gonyaulacysta |
Gonyaulacysta sp
|
Atlantic Ocean |
Berriasian |
Hauterivian |
Gymnodinium |
Gymnodinium australiense
|
Atlantic Ocean |
Late Eocene |
Middle Miocene |
Hemicystodinium |
Hemicystodinium zoharyi
|
Atlantic Ocean |
Early Eocene |
Pleistocene |
Hemiplacophora |
Hemiplacophora semilunifera
|
Atlantic Ocean |
Late Eocene |
|
Homotryblium |
Homotryblium aculeatum
sp. nov. |
Atlantic Ocean |
Early Eocene |
Late Eocene |
Homotryblium |
Homotryblium floripes
|
Atlantic Ocean |
Late Eocene |
Oligocene |
Homotryblium |
Homotryblium tenuispinosum
|
Atlantic Ocean |
Middle Eocene |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
Atlantic Ocean |
Valanginian |
Cenomanian |
Hystrichodinium |
Hystrichodinium ramoides
|
Atlantic Ocean |
Berriasian |
Valanginian |
Hystrichokolpoma |
Hystrichokolpoma rigaudiae
|
Atlantic Ocean |
Early Eocene |
Early Miocene |
Hystrichokolpoma |
Hystrichokolpoma unispinum
|
Atlantic Ocean |
Early Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium bowerbankii
|
Atlantic Ocean |
Albian |
Early Cenomanian |
Hystrichosphaeridium |
Hystrichosphaeridium sp.A Habi.,1972
sp. nov. |
Atlantic Ocean |
Portlandian |
Valanginian |
Hystrichosphaeridium |
Hystrichosphaeridium stellatum
|
Atlantic Ocean |
Early Cenomanian |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis obscura
|
Atlantic Ocean |
Middle Miocene |
Late Miocene |
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
Atlantic Ocean |
Late Eocene |
|