| details |
Maastrichtian |
|
USSR(WSL) |
Chlonova,A.F. Spores and pollen of the upper half of the Upper Cretaceous of the eastern part of the Western Siberian Lowland. |
1961 |
| details |
Late Cretaceous |
|
USSR(WSL) |
Chlonova,A.F. Some morphological types of spores and pollen grains from Upper Cretaceous of eastern part of West Siberian Lowland. |
1962 |
| details |
Late Cretaceous |
|
USSR(WSL) |
Chlonova,A.F. The stratigraphic importance of some morphological types of spores and pollen as seen from the example of Upper Cretaceous deposits in the eastern part of the West Siberian Lowand. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Late Maastrichtian |
|
Alaska(North Slope) |
Wiggins,V.D. Fossil Oculata pollen from Alaska. |
1976 |