| original |
Neocomian |
Albian |
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |
| original |
Early Cretaceous |
|
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1963 |
| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Norris,G. Spores and pollen from the Lower Colorado (Albian-?Cenomanian) of Central Alberta. |
1967 |
| details |
Albian |
|
Oklahoma |
Hedlund,R.W. et al. Spores and pollen grains from Fredericksburgian, (Albian), Strata, Marshall County, Oklahoma. |
1968 |
| original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Singh,C. Lower Cretaceous microfloras of the Peace River area, Northwestern Alberta. |
1971 |
| details |
Middle Campanian |
Late Campanian |
Colorado |
Gies,T.F. Palynology of sediments boardering some Upper Cretaceous strand lines in Northwestern Colorado. |
1972 |
| details |
Late Albian |
Cenomanian |
Canada(Alberta) |
Jarzen,D.M. et al. Evolutionary significance and botanical relationships of Cretaceous angiosperm pollen in the Western Canadian Interor. |
1975 |
| details |
Middle Albian |
Early Cenomanian |
Maryland |
Robbins,E.I. et al. Palynological and stratigraphic investigations of four deep wells in the Salisbury Embayment of the Atlantic Coastal Plain. |
1975 |
| details |
Early Albian |
Early Cenomanian |
Maryland |
Robbins,E.I. et al. Palynological and stratigraphic investigations of four deep wells in the Salisbury Embayment of the Atlantic Coastal Plain. |
1975 |
| details |
Middle Albian |
Cenomanian |
Canada(Alberta) |
Norris,G. et al. Evolution of the Cretaceous terrestrial palynoflora in Western Canada. |
1975 |
| details |
Middle Albian |
|
Canada(Alberta) |
Singh,C. Stratigraphic significance of Early angiosperm pollen in the Mid-Cretaceous strata of Alberta. |
1975 |
| details |
Barremian |
Aptian |
Israel |
Brenner,G.J. Middle Cretaceous floral Provinces and Early migrations of angiosperms. (In: Origin and Early Evolution of Angiosperms.C.B.Beck, editor) |
1976 |
| details |
Early Cretaceous |
|
USA(Atlantic Coast.Pl.) |
Doyle,J.A. et al. Pollen and leaves from the Mid-Cretaceous Potomoc Group and their bearing on early angiosperm evolution. (In: Origin and Early Evolution of Angiosperms.C.B.Beck, editor) |
1976 |
| details |
Middle Albian |
|
Delaware |
Doyle,J.A. et al. Angiosperm pollen zonation of the Continental Cretaceous of the Atlantic Coastal Plain and its application to deep wells in the Salisbury Embayment. |
1977 |
| details |
Barremian |
Early Cenomanian |
Delaware |
Doyle,J.A. et al. Angiosperm pollen zonation of the Continental Cretaceous of the Atlantic Coastal Plain and its application to deep wells in the Salisbury Embayment. |
1977 |
| details |
Middle Albian |
|
Maryland |
Doyle,J.A. et al. Angiosperm pollen zonation of the Continental Cretaceous of the Atlantic Coastal Plain and its application to deep wells in the Salisbury Embayment. |
1977 |