| original |
Aptian |
|
China(Heilungkiang) |
Qiao,X.-Y. et al. Early Cretaceous freshwater dinoflagellates from 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 |
Barremian |
Early Aptian |
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 |
| details |
Late Valanginian |
Early Hauterivian |
China(Heilungkiang) |
He,C.-Q. et al. Late Hauterivian dinoflagellates from the lower part of the Chengzihe Formation in Jixi Basin, Eastern Heilongjiang, northeast China. |
2000 |
| details |
Late Hauterivian |
Barremian |
China(Heilungkiang) |
Sha,J. et al. Studies on the Early Cretaceous Longzhaogou and Jixi Groups of eastern Heilongjiang, northeast China, and their bearing on the age of supposedly Jurassic strata in eastern Asia. |
2002 |