details |
Middle Albian |
Late Albian |
W.Germany(N.Rhine) |
Grebe,H. Tricolpate pollen grains from a Cretaceous joint filling in the Devonian Massenkalk in the eastern Sauerland, Nortrine-Westphalia, Federal Republic of Germany. |
1978 |
details |
Aptian |
Albian |
W.Germany(N.Rhine) |
Grebe,H. Lower Cretaceous filling of the Nehden Karst cave in Sauerland. 2.Microspore associations, determination of age and an attempt to associate microflora with Parent plants. |
1982 |
details |
Early Aptian |
|
W.Germany(Niedersachsen) |
Batten,D.J. et al. Aspects of palynomorph distribution, floral Provinces and climate during the Cretaceous |
1987 |
details |
Cenomanian |
Coniacian |
Wyoming |
Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming |
1970 |
details |
Early Cretaceous |
|
Wyoming |
Davis,P.N. Palynology and stratigraphy of the Lower Cretaceous rocks of northern Wyoming |
1963 |
details |
Late Albian |
|
Wyoming |
Ravn,R.L. Miospores from the Muddy Sandstone, (Upper Albian), Wind River Basin, Wyoming, USA. |
1995 |