| original |
Middle Albian |
|
China(Heilungkiang) |
He,C.-Q. New Albian microphytoplankton from the Songliao Basin, Northeast China. |
1992 |
| details |
Albian |
|
China(Heilungkiang) |
Gao,R. et al. Cretaceous non-marine dinoflagellate, chlorophytes and acritarchs from the Songliao Basin. |
1992 |
| details |
Late Aptian |
Albian |
China(Heilungkiang) |
Gao,R.-Q. et al. Cretaceous microphytoplankton from the Songliao Basin and its depositional environment. |
1992 |
| details |
Neocomian |
|
China(Heilungkiang) |
Wan,C.-B. et al. Early Cretaceous dinoflagellates and other algae from Jixian, Heilongjiang. |
1995 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Early Cretaceous |
|
China(Heilungkiang) |
Mao,S.-Z. et al. Cretaceous nonmarine dinoflagellate from northeast China. |
1999 |