| original |
Early Jurassic |
|
Sweden |
Erdtman,G. Did Dicotyledonous plants exist in Early Jurassic times. |
1948 |
| details |
Liassic |
|
Sweden |
Thomson,P.W. Evolution and dispersion of the angiosperms in the Mesophyticum. |
1953 |
| details |
Early Jurassic |
|
Nd |
Kuyl,O.S. et al. The application of palynology to oil geology with special reference to Western Venezuela. |
1955 |
| details |
Jurassic |
|
Sweden |
Couper,R.A. Evidence of a possible Gymnospermous affinity for Tricolpites troedssonii, Erdtman |
1956 |
| details |
Liassic |
|
Poland |
Oszast,J. Tricolpites (Eucommiidites) Troedssonii Erdtman in Refractory Jurassic Cys from Grojec near Cracow |
1957 |
| details |
Wealden |
|
Belgium |
Delcourt,A.F. et al. Some microfossils from the Wealdian of Feron-Glageon. |
1957 |
| details |
Keuper |
|
Poland |
Pautsch,M.E. Keuper sporomorphs from Swierczyna, Poland. |
1958 |
| details |
Liassic |
|
Poland |
Dyakowska,J. The angiospermoid pollen from the Liassic flora in Poland |
1958 |
| details |
Wealden |
|
France(Pas-de-Calais) |
Delcourt,A.F. et al. Spores and pollen grains, Hystrichoshperes and Peridinians in the Wealdian of Feron-Glageon. |
1959 |
| details |
Late Liassic |
|
Poland |
Marcinkiewicz,T. et al. Age of the Upper Helenow Beds, (Lias), in view of mega and microspore investigations, (Geological section Gorzow Slaski-Praska). |
1960 |
| original |
Neocomian |
Albian |
Nd |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |
| details |
Early Jurassic |
|
Nd |
Kremp,G.O.W. Protoquercus, the Missing Link between Gymnospermous and Dicotyledonous pollen. |
1966 |
| details |
Early Liassic |
|
Poland |
Orlowska-Zwolinska,T. Lower Liassic age of the Wielichowo Beds in the light of spore and pollen analysis, (Polish Lowland). |
1966 |
| details |
Tortonian |
Sarmatian |
Hungary |
Kedves,M. et al. The recycled sporomorphs of the Boring No. Ny-1. |
1967 |
| details |
Hettangian |
|
Poland |
Orlowska-Zwolinska,T. Microfloristic criteria for age determination of the beds occurring at the Triassic-Jurassic boundary in the Extra-Carpthian areas of Poland. |
1967 |
| details |
Neocomian |
|
USSR(Far East) |
Shugaevskaya,O.V. The pollen of angiosperms in Lower Cretaceous Continental sediments of Southern Far East |
1968 |
| details |
Barremian |
Aptian |
USSR(Far East) |
Shugaevskaya,O.V. The pollen of angiosperms in Lower Cretaceous Continental sediments of Southern Far East |
1968 |