Dinogymniopsis |
Dinogymniopsis spinulosa
|
China(Heilungkiang) |
Cenomanian |
Turonian |
Dinogymniopsis |
Dinogymniopsis torosa
|
China(Heilungkiang) |
Early Cretaceous |
|
Dinogymniopsis |
Dinogymniopsis tuberculata
|
China(Heilungkiang) |
Cenomanian |
|
Dinogymniopsis |
Dinogymniopsis tuberculata
|
China(Heilungkiang) |
Cenomanian |
Turonian |
Dinogymnium |
Dinogymnium granulatum
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Dinogymnium |
Dinogymnium granulatum
|
China(Heilungkiang) |
Cenomanian |
Turonian |
Filisphaeridium |
Filisphaeridium sp
|
China(Heilungkiang) |
Late Cretaceous |
|
Granodiscus |
Granodiscus sp
|
China(Heilungkiang) |
Early Cretaceous |
|
Kiokansium |
Kiokansium declinatum
|
China(Heilungkiang) |
Late Cretaceous |
|
Kiokansium |
Kiokansium ramulifera
|
China(Heilungkiang) |
Early Cretaceous |
|
Kiokansium |
Kiokansium regulatum
|
China(Heilungkiang) |
Late Cretaceous |
|
Leiosphaeridia |
Leiosphaeridia sp
|
China(Heilungkiang) |
Early Cretaceous |
|
Nyktericysta |
Nyktericysta
|
Kansas |
Middle Albian |
Late Albian |
Nyktericysta |
Nyktericysta asper
|
Nd |
Nd |
|
Nyktericysta |
Nyktericysta beierensis
|
China(Heilungkiang) |
Hauterivian |
|
Nyktericysta |
Nyktericysta dictyophora
|
China(Heilungkiang) |
Middle Albian |
|
Nyktericysta |
Nyktericysta dictyophora
|
China(Heilungkiang) |
Aptian |
Albian |