| original |
Late Cretaceous |
|
Arizona |
Miller,H.W. et al. Microfossils from the Upper Cretaceous of Adobe Canyon, southern Arizona. |
1966 |
| original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
| original |
Early Paleozoic |
|
India(Uttar Pradesh) |
Prakash,G. Discovery of acritarchs and other organic remains in the carbonate rocks of the Lesser Himalaya, Uttar Pradesh. |
1974 |
| original |
Early Cretaceous |
|
|
Volkheimer,W. et al. Stratigraphic distribution of Jurassic and Cretaceous palynomorphs in the Andean Realm and neighbouring areas of Southern South America, with special consideration of the Neuqu©n Basin. |
1981 |
| original |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of Late Algonkian micro-organisms, (Zone Iv) in Upper Tejam and Semri Groups of Lesser Himalaya, sub-surface Ganga Valley and Plains Region, Northern India. |
1988 |