original |
Early Maastrichtian |
Middle Maastrichtian |
Egypt |
Schrank,E. et al. Late Cretaceous palynostratigraphy in Egypt with comments on Maastrichtian and Early Tertiary Calcareous nannofossils. |
1985 |
original |
Late Riphean |
Early Vendian |
Utah |
Vidal,G. et al. Microbiotas from the Late Proterozoic Chuar Group (Northern Arizona) and the Uinta Mountain Group (Utah) and their chronostratigraphic implications |
1985 |
original |
Late Riphean |
Early Vendian |
Arizona |
Vidal,G. et al. Microbiotas from the Late Proterozoic Chuar Group (Northern Arizona) and the Uinta Mountain Group (Utah) and their chronostratigraphic implications |
1985 |
original |
Late Algonkian |
|
India(Uttar Pradesh) |
Nautiyal,A.C. Late Algonkian microflora, (Microfauna, Zone IV), of Rohtas Formation, (Semri Group), in Son Valley, (Mirzapur District), northern India. |
1986 |
original |
Early Tremadocian |
|
Spain |
Fombella Blanco,M.A. Diachronism and palynology of the Cambrian-Ordovician transition of the Province of Leon, northern Spain |
1986 |
original |
Early Visean |
Middle Visean |
Canada(Nova Scotia) |
Utting,J. Palynology of the Lower Carboniferous Windsor Group and Windsor-Canso Boundary Beds of Nova Scotia, and their equivalents in Quebec, New Brunswick and Newfoundland. |
1987 |
original |
Middle Algonkian |
|
India(Orissa) |
Nautiyal,A.C. Stratigraphic and palaeogeographic significance of microplanktons, cyanophycean algae and fungal remains in metallic ore-bearing Algonkian sediment. |
1987 |
original |
Cenomanian |
|
Kansas |
Kovach,W.L. et al. Megaspores and other dispersed plant remains from the Dakota Formation (Cenomanian) of Kansas, USA. |
1988 |
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 |
original |
Middle Algonkian |
|
India(Orissa) |
Nautiyal,A.C. Middle Algonkian microfloras (Microfaunas) of Manganese Ore-bearing sediments of Orissa, Eastern India. |
1988 |
original |
Cenomanian |
|
Kansas |
Kovach,W.L. Quantitative palaeoecology of megaspores and other dispersed plant remains from the Cenomanian of Kansas, USA. |
1988 |
original |
Ludlovian |
|
Argentina(San Juan) |
Rubinstein,C.V. Acritarchs of the Late Silurian of the Jachal River in the Province of San Juan, Republica of Argentina Part 1: Subgroup Acanthomorphitae and Sphaeromorphitae. |
1989 |
original |
Middle Proterozoic |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of microfossil assemblages of Gangolihat Dolomite, Kumaun, Lesser Himalaya. |
1989 |
original |
Middle Proterozoic |
|
India(Bihar) |
Nautiyal,A.C. Middle Proterozoic microfloras (microfaunas) from Banded Hematite Jasper of Kiriburu and Meghatuburu areas (Singhbhum District, Bihar), Eastern India. |
1989 |
original |
Early Ludlovian |
Middle Ludlovian |
Argentina(San Juan) |
Rubinstein,C.V. Acritarch from the Silurian of the Jachal River Valley (Los Esp Formation), San Juan Province, Republica Argentina Subgroups Herkumorphita, Netromorphitae and Polgonomorphitae |
1989 |
original |
Riphean |
|
India(Himachal Pradesh) |
Nautiyal,A.C. Biostratigraphic significance of microfossil assemblages of Gangolihat Dolomite, Kumaun, Lesser Himalaya. |
1989 |
original |
Early Tithonian |
|
|
Volkheimer,W. et al. Palynomorphs. (In: South America and Antarctic Peninsula. A.C.Riccardi et al. (In: Jurassic taxa ranges and correlation charts for the Circum Pacific. G.E.G.Westerman and A.C.Riccardi, editor) |
1990 |