| details |
Albian |
|
North America |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
| details |
Late Aptian |
Albian |
North America |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
| details |
Aptian |
Senonian |
USSR(Amurskaya Oblast) |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Hauterivian |
Aptian |
China(N.China) |
Li,W. et al. The Cretaceous palynofloras and their bearing on stratigraphic correlation in China. |
1994 |
| details |
Late Albian |
|
Wyoming |
Ravn,R.L. Miospores from the Muddy Sandstone, (Upper Albian), Wind River Basin, Wyoming, USA. |
1995 |
| details |
Early Cretaceous |
|
China(Heilungkiang) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Cretaceous |
|
China(Manchuria,Jilin) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Early Cretaceous |
|
China(Liaoning) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Valanginian |
Barremian |
China(Heilungkiang) |
Gang,L. Palaeontology and biostratigraphy of the Lower Cretaceous Qihulin Formation in eastern Heilongjiang, northeastern China. |
2001 |