| details |
Late Cenomanian |
|
Canada(Alberta) |
Thusu,B. Angiosperm microflora of the Dunvegan Formation (Upper Cenomanian) Peace River, Alberta Canada. |
1968 |
| details |
Early Cretaceous |
|
British Guiana |
Jones,R.E. et al. The Earliest distribution of Tricolpate angiospermous pollen. |
1973 |
| details |
Late Miocene |
|
Atlantic Ocean |
Engel,E.R. Palynological evidence of climatically relevant events from Miocene sediments from the North Atlantic. |
1992 |
| details |
Claiborne |
|
Arkansas |
Saunders,W.B. et al. Fossiliferous Amber from the Eocene (Claiborne), of the Gulf coast Plain. |
1974 |
| details |
Middle Eocene |
|
Arkansas |
Saunders,W.B. et al. Fossiliferous Amber from the Middle Eocene (Claiborne Stage) of Central Arkansas |
1973 |
| details |
Late Senonian |
|
Arctic Ocean |
Brattseva,G.M. et al. Upper Senonian of the Gusinaya Bank |
1983 |
| details |
Middle Miocene |
Late Miocene |
Alaska |
Liu,G. et al. Climatic comparison of Miocene pollen floras from northerneast China and southcentral Alaska, USA. |
1994 |
| details |
Middle Albian |
|
Africa(Sahara) |
Burger,D. Observations on the Earliest angiosperm development with special reference to Australia. |
1981 |