| 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 |
Cenomanian |
Early Senonian |
New York |
Baskerville,C.A. A micropaleontological study of Cretaceous sediments on Staten Island, New York. |
1965 |
| original |
Middle Albian |
Early Cenomanian |
Colorado |
Pannella,G. Palynology of the Dakota Group and Graneros Shale of the Denver Basin. |
1966 |
| original |
Middle Albian |
Early Cenomanian |
Nebraska |
Pannella,G. Palynology of the Dakota Group and Graneros Shale of the Denver Basin. |
1966 |
| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Singh,C. Lower Cretaceous microfloras of the Peace River area, Northwestern Alberta. |
1971 |
| details |
Early Cretaceous |
|
Maryland |
Singh,C. Lower Cretaceous microfloras of the Peace River area, Northwestern Alberta. |
1971 |
| details |
Middle Albian |
Early Cenomanian |
Virginia |
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 Neocomian |
Middle Neocomian |
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 |
Aptian |
Albian |
W.Germany(Bavaria) |
Eggert,P. et al. Coalification studies on drift wood embedded in the Lower Junghansen-Series, (Lower Cretaceous), of the Feuerstatter-Nappe, (Northern Peninicum), West of Oberstdorf/Allgaeu. |
1976 |
| 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 |
Early Albian |
|
Virginia |
Reinhardt,J. et al. Lower Cretaceous stratigraphy of the core. |
1980 |
| details |
Valanginian |
Hauterivian |
China(Inner Mongolia) |
Miao,S.-J. Spores and pollen. |
1982 |