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 |
Operculodinium |
Operculodinium ancoriferum
|
China(Heilungkiang) |
Cenomanian |
|
Operculodinium |
Operculodinium capituliferum
|
China(Heilungkiang) |
Cenomanian |
|
Operculodinium |
Operculodinium multispinosum
|
China(Heilungkiang) |
Albian |
|
Operculodinium |
Operculodinium sp. Gao et al,1992
sp. nov. |
China(Heilungkiang) |
Albian |
|
Operculodinium |
Operculodinium tenuissimum
|
China(Heilungkiang) |
Albian |
|
Parabohaidina |
Parabohaidina sp. Gao et al,1992
sp. nov. |
China(Heilungkiang) |
Campanian |
|
Pediastrum |
Pediastrum boryanum
|
China(Heilungkiang) |
Albian |
Maastrichtian |
Pediastrum |
Pediastrum simplex
|
China(Heilungkiang) |
Maastrichtian |
|