Australisphaera |
Australisphaera cruciata
|
China(Heilungkiang) |
Berriasian |
Valanginian |
Balmula |
Balmula granorugosa
|
China(Heilungkiang) |
Hauterivian |
|
Balmula |
Balmula granulata
|
China(Heilungkiang) |
Hauterivian |
|
Balmula |
Balmula spinosa
|
China(Heilungkiang) |
Campanian |
|
Balmula |
Balmula sp. Gao et al,1992
sp. nov. |
China(Heilungkiang) |
Hauterivian |
|
Nyktericysta |
Nyktericysta davisii
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta dictyophora
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta dictyophora
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta dictyophora
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta fusiformis
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta microreticulata
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta microreticulata
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta microreticulata
|
China(Heilungkiang) |
Albian |
|
Nyktericysta |
Nyktericysta symmetrica
|
China(Heilungkiang) |
Coniacian |
Santonian |
Pseudoceratium |
Pseudoceratium sp. Gao et al,1992
sp. nov. |
China(Heilungkiang) |
Hauterivian |
|
Vesperopsis |
Vesperopsis glabra
|
China(Heilungkiang) |
Berriasian |
Valanginian |
Vesperopsis |
Vesperopsis granulata
|
China(Heilungkiang) |
Berriasian |
|