| original |
Early Tertiary |
|
Japan(Hokkaido I.) |
Tokunaga,S. Pollen analysis of the known coal seams in the Biba Bibai area, Sorachi District, Ishikari Coal Fields, Hokkaido. |
1955 |
| original |
Cenomanian |
|
USSR |
Voevodova,E.M. et al. Short description of spores and pollen from Upper Cretaceous deposits of the deposits of the Basin of the River Arman'. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR). |
1960 |
| original |
Early Eocene |
|
Arkansas |
Jones,E.L. Plant microfossils of the Laminated sediments of the Lower Eocene Wilcox Group in South-Central Arkansas. |
1961 |
| original |
Eocene |
|
USSR(Yakut ASSR) |
Kulkova,I.A. Eocene flora of Iana-Indigirska Lowland and its comparison with Synchronous floras of other Territories of the northern Hemisphere. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |