| original |
Aptian |
Cenomanian |
Portugal |
Groot,J.J. et al. Plant microfossils from Aptian, Albian and Cenomanian deposits of Portugal. |
1962 |
| details |
Middle Cenomanian |
|
France |
Az©ma,C. et al. Some miospores from the Middle Cenomanian. |
1972 |
| details |
Middle Cenomanian |
|
England(Dorset) |
Laing,J.F. The stratigraphic Setting of Early angiosperm pollen |
1976 |
| details |
Turonian |
|
Portugal |
M©dus,J. et al. Turonian Normapolles from Portugal and southern France. Correlations. |
1980 |
| details |
Turonian |
|
France |
M©dus,J. et al. Turonian Normapolles from Portugal and southern France. Correlations. |
1980 |
| details |
Barremian |
Aptian |
Portugal |
Pais,J. et al. Problems caused by the spore-pollen population on one plant level of the Buarcos Series (Portugal). |
1981 |
| details |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Aptian |
Cenomanian |
Portugal |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Barremian |
Aptian |
Portugal |
Friis,E.M. et al. Anacostia, a new basal angiosperm from the Early Cretaceous of North America and Portugal with trichotomocolpate/monocolpate pollen. |
1997 |