| details |
Late Albian |
Early Cenomanian |
Canada(Ontario) |
Zippi,P.A. et al. Note; Recognition of a Cretaceous Outlier in Northwestern Ontario. |
1990 |
| details |
Late Albian |
|
Kansas |
Ward,J.V. Early Cretaceous angiosperm pollen from the Cheyenne and Kiowa Formations, (Albian) of Kansas, USA. |
1986 |
| 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 |
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 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 |
Late Neocomian |
Aptian |
India(Bengal) |
Tripathi,A. Advent of angiospermous pollen in India and its spatial relationship in Gondwanland. (In: Gondwana Eight. Assembly, evolution and dispersal. R.H. Findley et al, editors) |
1993 |
| details |
Late Neocomian |
Aptian |
India(Bihar) |
Tripathi,A. Advent of angiospermous pollen in India and its spatial relationship in Gondwanland. (In: Gondwana Eight. Assembly, evolution and dispersal. R.H. Findley et al, editors) |
1993 |
| details |
Aptian |
|
India(Bihar) |
Tiwari,R.S. et al. Palynological assemblage and absolute age relationship of the Intertrappean Beds in the Rajmahal Basin, India. |
1995 |
| details |
Barremian |
Early Albian |
USA(Atlantic Coast.Pl.) |
Scott,R.A. et al. Palynomorph biostratigraphy. |
1977 |
| 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 |
Early Albian |
Middle Albian |
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 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 |
Middle Albian |
Late Albian |
Virginia |
Reinhardt,J. et al. Lower Cretaceous stratigraphy of the core. |
1980 |
| details |
Late Albian |
Cenomanian |
Iowa |
Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. |
1995 |
| details |
Late Cretaceous |
|
Minnesota |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |