| details |
Maastrichtian |
|
USSR(Siberia) |
Brattseva,G.M. The problem of the Tsagaiansk flora with regard to spore and pollen analytical data. |
1967 |
| details |
Late Cretaceous |
|
USSR |
Krutzsch,W. Taxonomy of the syncolporate and the morphologic relationship of the pollen genera and species (Sporae dispersae), of the Upper Cretaceous and Tertiary. Part 1. Syncolporate and Syncolporatoide pollen forms. |
1969 |
| details |
Maastrichtian |
|
USSR(Primorsk Kray) |
Markevich,V.S. Maastrichtian spore-pollen assemblages of the South Maritime Region. |
1968 |
| details |
Cenomanian |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Angiosperm pollen and their significance for the stratigraphy of the Upper Cretaceous and Paleogene |
1963 |