original |
Late Jurassic |
Early Cretaceous |
Canada(W.Canada) |
Pocock,S.A.J. Microfloral analysis and age determination of strata at the Jurassic-Cretaceous boundary in the Western Canada Plains |
1962 |
details |
Aptian |
Middle Albian |
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
details |
Albian |
|
Canada(Alberta) |
Vagvolgyi,A.B. Palynology of type McMurray Formation. |
1964 |
details |
Late Jurassic |
Cenomanian |
France(Charente-Maritime) |
DeЎk,M.H. et al. Orbanic microfossils from the Wealdean and Cenomanian from a Bore-Hole of Charente-Maritime. |
1967 |
details |
Albian |
|
Oklahoma |
Hedlund,R.W. et al. Spores and pollen grains from Fredericksburgian, (Albian), Strata, Marshall County, Oklahoma. |
1968 |
details |
Early Albian |
Middle Albian |
Canada(Alberta) |
Vagvolgyi,A.B. et al. Microflora of the Lower Cretaceous McMurray Formation, Northeast Alberta. |
1969 |
details |
Aptian |
Albian |
USSR(Primorsk Kray) |
Shugaevskaya,O.V. On the discovery of microspores Chomotriletes in Lower Cretaceous deposits of the Suyfun Depression |
1969 |
details |
Albian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. et al. Biostratigraphic determinations from the subsurface of the District of Franklin and MacKenzie and the Yukon Teritory |
1976 |
details |
Cretaceous |
|
Brazil(Pernambuco) |
de Lima,M.R. Palynology of the Santana Formation, (Cretaceous from northeast of Brazil) 1. Geological introduction and systematical descriptions of the spores from the Subtruma Azonotriletes. |
1978 |
details |
Cretaceous |
|
Brazil(Pernambuco) |
de Lima,M.R. Paleontology of the Santana Formation, (Cretaceous of Northeast Brazil). |
1979 |
details |
Aptian |
|
Brazil(Para) |
de Lima,M.R. et al. Pollen analysis of Cretaceous sediments of Maraba Region, Para State. |
1980 |
details |
Late Jurassic |
Early Cretaceous |
Canada(W.Canada) |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |
details |
Late Maastrichtian |
|
Spain |
Ashraf,A.R. et al. A palynological study of the Cretaceous-Tertiary boundary in Western Mediterranean Regions |
1986 |
details |
Nd |
|
Nd |
Krutzsch,W. et al. The phytoplankton-microflora from freshwater deposits in the Cheb Basin (Western Bohemia, CSFR). |
1990 |
details |
Late Jurassic |
Early Cretaceous |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
details |
Nd |
|
Nd |
Schrank,E. Palynology of the Yesomma Formation in northern Somalia; a study of pollen, spores and associated phytoplankton from the Late Cretaceous Palmae Province |
1994 |
details |
Barremian |
Early Albian |
China(Heilungkiang) |
Wang,X. Microflora of the Dongning Formation (Early Cretaceous) in the Dongning Basin, Southeatern Heilongjiang, China. |
1995 |