| details |
Carboniferous |
Permian |
Nd |
Kedves,M. The history of the paleophytogeographic regions indicated by the palynological data. |
1983 |
| details |
Early Cretaceous |
|
China(Peking) |
Wang,X.-Z. et al. Early Cretaceous spore-pollen assemblages in the Beijing, Tianjin and Central Hebei Province. |
1984 |
| details |
Middle Jurassic |
|
China(Peking) |
Wang,X.-Z. et al. Middle Jurassic spore-pollen assemblages in Beijing and Tianjin Regions |
1984 |
| details |
Middle Jurassic |
|
China(Tientsin) |
Wang,X.-Z. et al. Middle Jurassic spore-pollen assemblages in Beijing and Tianjin Regions |
1984 |
| details |
Barremian |
Albian |
Texas |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |
| details |
Neocomian |
Aptian |
India(Mysore) |
Venkatachala,B.S. et al. Fossil spores and pollen from the Lower Cretaceous subsurface sediments near Karaikal, Cauvery Basin. |
1970 |
| details |
Late Cretaceous |
Paleocene |
Montana |
Robertson,E.B. A reassessment of the position of the eastern depositional boundary of the Cretaceous Hell Creek Formation in Western North Dakota. |
1972 |
| details |
Late Cretaceous |
Paleocene |
North Dakota |
Robertson,E.B. A reassessment of the position of the eastern depositional boundary of the Cretaceous Hell Creek Formation in Western North Dakota. |
1972 |
| details |
Late Jurassic |
|
Michigan |
Cross,A.T. Jurassic plants of Michigan Basin |
1975 |
| details |
Bajocian |
Bathonian |
USA(Mid-Continent) |
Cross,A.T. Correlation of Jurassic palynofloras of the Michigan Basin with other Mesozoic floras of the eastern Mid-Continental United States |
1986 |
| details |
Early Eocene |
Middle Eocene |
Wyoming |
Fisk,L.H. et al. Plant microfossils from the Yellowstone Fossil Forests: Preliminary report. |
1974 |