| original |
Berriasian |
Barremian |
China(Heilungkiang) |
Qiao,X.-Y. et al. Early Cretaceous freshwater dinoflagellates from Songliao Basin, northeast China. |
1992 |
| details |
Berriasian |
Valanginian |
China(Heilungkiang) |
Gao,R. et al. Cretaceous non-marine dinoflagellate, chlorophytes and acritarchs from the Songliao Basin. |
1992 |
| details |
Berriasian |
|
China(Heilungkiang) |
Gao,R.-Q. et al. Cretaceous microphytoplankton from the Songliao Basin and its depositional environment. |
1992 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Nd |
|
Nd |
Mao,S.-Z. et al. Cretaceous nonmarine dinoflagellate from northeast China. |
1999 |