details |
Late Aptian |
|
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 |
Albian |
Cenomanian |
Atlantic Ocean |
Hochuli,P.A. et al. Palynology of Middle Cretaceous Black Clay facies from Deep Sea Drilling Project Sites 417 and 418 of the Western North Atlantic. |
1980 |
details |
Late Albian |
|
Delaware |
Walker,J.W. et al. Ultrastructure of Lower Cretaceous angiosperm pollen and the origin and Early evolution of Flowering plants |
1984 |
details |
Aptian |
Early Albian |
Egypt |
Schrank,E. Cretaceous pollen and spores from the "Nubian Sandstone" of Dakhla-Beckens (Egypt). |
1982 |
details |
Aptian |
Early Albian |
Egypt |
Schrank,E. Cretaceous pollen and spores from the "Nubian Sandstone" of Dakhla-Beckens (Egypt). |
1982 |
details |
Middle Albian |
Late Albian |
Virginia |
Reinhardt,J. et al. Lower Cretaceous stratigraphy of the core. |
1980 |
details |
Barremian |
Aptian |
USA(Atlantic Coast.Pl.) |
Pedersen,K.R. et al. Fruits from the Mid-Cretaceous of North America with pollen grains of the Clavatipollenites type. |
1991 |
details |
Middle Albian |
Late Albian |
Portugal |
Berthou,P.Y. et al. The contribution of palynology to the stratigraphy of the Middle to Late Cretaceous West Portugal Basin. |
1981 |
details |
Late Albian |
|
Portugal |
Berthou,P.Y. et al. The contribution of palynology to the stratigraphy of the Middle to Late Cretaceous West Portugal Basin. |
1981 |
details |
Early Albian |
|
Maryland |
Doyle,J.A. Angiosperm pollen and correlation of Potomac megafossil localities. |
1974 |
details |
Late Albian |
|
Maryland |
Kedves,M. Transmission electron microscopy of the fossil angiosperm exines. |
1990 |
details |
Aptian |
Albian |
North America |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
details |
Late Aptian |
Early Albian |
Canada(Alberta) |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
details |
Late Cretaceous |
|
Minnesota |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
details |
Late Albian |
Cenomanian |
Greenland |
Koppelhus,E.B. et al. A palynological and sedimentological study of Cretaceous floodplain deposits of the Atane Formation at Skansen and Igdlunguaq, Disko, West Greenland. |
1993 |
details |
Nd |
|
Nd |
Vasanthy,G. et al. The evolution of angiospermid pollen characteristics: Conjectures and Queries. (In: Proceeding of the Symposium on the Vistas in Indian Palaeobotany. K.P.Jain and R.S.Tiwari, editors) |
1990 |
details |
Late Albian |
Early Cenomanian |
Canada(Ontario) |
Zippi,P.A. et al. Note; Recognition of a Cretaceous Outlier in Northwestern Ontario. |
1990 |