| details |
Middle Cenomanian |
Late Cenomanian |
Europe |
Kedves,M. Devolopment of the European Brevaxones pollen grains and the main stages of the evolution during the Lower and Middle Senonian. |
1983 |
| details |
Middle Cenomanian |
Late Cenomanian |
Europe |
Batten,D.J. Systematic relationships between Normapolles pollen and the Hamamelidae. (In: Evolution, Systematics and Fossil History of Hamamelidae. P.R.Crane and S.Blackmore, editors) |
1989 |
| original |
Late Cenomanian |
|
Portugal |
Kedves,M. et al. Probrevaxones, a new pollen group for the first Brevaxones form-genera from the Upper Cenomanian of Portugal. |
1981 |