| details |
Middle Albian |
Late Albian |
Virginia |
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 |
Late Albian |
Delaware |
Doyle,J.A. Spores and pollen |
1977 |
| details |
Early Albian |
Late Albian |
Delaware |
Doyle,J.A. Patterns of evolution in early angiosperms. (In:Patterns of evolution, as illustrated by the fossil record. A.Hallam, editor) |
1977 |
| details |
Barremian |
Early Cenomanian |
Maryland |
Doyle,J.A. Palynostratigraphic zonation. (In: New data bearing on the structural significance of the Upper Chesapeake Bay magnetic anomaly. J.Edwards and H.J. Hansen) |
1979 |
| 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 |
Middle Albian |
Early Cenomanian |
Maryland |
Hickey,L.J. et al. Early Cretaceous fossil evidence for angiosperm evolution. |
1977 |
| details |
Early Albian |
Early Albian |
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 |
Albian |
Cenomanian |
Maryland |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Aptian |
Cenomanian |
North America |
Lupia,R. Discordant morphological disparity and taxonomic diversity during the Cretaceous angiosperm radiation: North American pollen record. |
1999 |
| 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 |
Berriasian |
Albian |
USSR(Kazakh SSR) |
Fokina,N.I. et al. Palynostratigraphy of the Lower Cretaceous of Central Asia. (In: Life on Ancient Continents: Its Establishment and Expansion.) |
1981 |
| details |
Aptian |
Albian |
Belgium |
Dejonghe,L. et al. Determination by palynological analysis of the Lower Cretaceous age of Emplacement of the Barite Ore deposit of Fleurus (Namur Synclinorium, Belgium) |
1987 |
| details |
Late Barremian |
Albian |
China(Liaoning) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Hopei) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Inner Mongolia) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Kansu) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Sinkiang Uighur) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |