details |
Berriasian |
|
England(Dorset) |
Norris,G. Palynology of the Jurassic-Cretaceous boundary in Southern England. |
1970 |
details |
Late Tithonian |
Berriasian |
England(Sussex) |
Norris,G. Miospores from the Purbeck Beds and marine Upper Jurassic of Southern England. |
1969 |
details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1969 |
details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Norris,G. Spores and pollen from the Lower Colorado (Albian-?Cenomanian) of Central Alberta. |
1967 |
details |
Senonian |
|
USA(Atlantic Coast.Pl.) |
Gray,T.C. et al. Pollen and spores from the marine Upper Cretaceous formations of Delaware and New Jersey. |
1966 |
details |
Aptian |
Albian |
South Dakota |
Cahoon,E.J. Lower Cretaceous pollen and spores from the Southern Black Hills |
1965 |
original |
Early Cretaceous |
|
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1963 |
original |
Neocomian |
Albian |
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |