| details |
Hauterivian |
|
USSR(Kazakh SSR) |
Dolitskaya,I.V. et al. Correlation of Jurassic and Cretaceous sediments of the Buzachi Peninsula and North-Western Ustyurt |
1979 |
| details |
Early Aptian |
|
W.Germany(Niedersachsen) |
Batten,D.J. et al. Aspects of palynomorph distribution, floral Provinces and climate during the Cretaceous |
1987 |
| details |
Middle Albian |
Cenomanian |
USSR(Kazakh SSR) |
Smirnova,S.B. et al. Mezo-Cenozoic palynostratigraphy of the Central Caspian. |
1986 |
| details |
Cenomanian |
|
Nebraska |
Farley,M.B. et al. Correlation between miospores and depositional environments of the Dakota Formation (Mid-Cretaceous) of North Central Kansas and adjacent Nebraska, USA. |
1986 |
| original |
Neocomian |
Albian |
Maryland |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |
| original |
Early Cretaceous |
|
Maryland |
Stover,L.E. Taurocusporites, a new trilete spore genus from the Lower Cretaceous of Maryland. |
1962 |