| details |
Early Jurassic |
Middle Jurassic |
Alaska(North Slope) |
Mickey,M.B. et al. Biostratigraphy report 129 outcrop samples Western Delong Mountains (Tingmerkpuk), North Slope, Alaska. |
2000 |
| details |
Early Llandoverian |
Middle Llandoverian |
Spain |
Hafenrichter,M. The lower and upper boundary of the Ordovician system of some selected regions, (Celtiberia, Eastern Sierramorena) in Spain. Part 2. The Ordovician/Silurian bounday in Spain. |
1980 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Aristova,K.E. Analogous Paleogene Beloglinsk and Kyzy Idzharsk horizons in northern Pre-Aral and northern Ust-Urt. (from pollen, spores and microplankton). (In: Palynology and Stratigraphy of the Paleozoic, Mesozoic and Paleogene of the European part of the USSR and Central Area.) |
1971 |
| details |
Late Neogene |
Middle Pleistocene |
Alaska |
Olson,D.L. et al. Biostratigraphy. (In: Geological and Operational Summary Norton Sound Cost No.2 Well Norton Sound, Alaska. R.F.Turner, editor) |
1987 |
| details |
Early Senonian |
Middle Senonian |
India(Meghalaya) |
Nandi,B. Palynostratigraphy of the Gumaghat Formation, Meghalaya, India, with special reference to the significance of the Normapolles Group. (In: Proceedings of the Symposium on Evolutionary Botany and Biostratigraphy. A.K.Ghosh Commemoration Volume. A.K.Sharma, editor) |
1984 |
| original |
Early Senonian |
Middle Senonian |
Tanzania |
Nandi,B. Palynostratigraphy of the Gumaghat Formation, Meghalaya, India, with special reference to the significance of the Normapolles Group. |
1979 |
| details |
Early Tithonian |
Middle Tithonian |
|
Quattrocchio,M.E. et al. Dinoflagellate cysts and acritarchs from the Middle and Upper Jurassic of the Neuqu©ns Basin, Argentina. |
1992 |
| details |
Sinemurian |
Middle Volgian |
Denmark |
Dybkjaer,K. Palynological zonation and stratigraphy of the Jurassic section in the Gassum No.1 |
1988 |
| details |
Early Cretaceous |
Miocene |
Australia |
Deflandre,G. et al. On the fossil microplankton preserved in several Australian sedimentary rocks running from the Lower Cretaceous to the Upper Miocene. |
1954 |
| details |
Eocene |
Oligocene |
India(Tripura) |
Banerjee,D. et al. Hystrichosphaerids in the Tertiary Formations of Assam and Tripura. |
1972 |
| details |
Cambrian |
Ordovician |
Libya |
Bonnefous,J. Geology of the Quartzitic "Gargaf Formation" in the Sirte Basin, Libya. |
1972 |
| details |
Bathonian |
Oxfordian |
Portugal |
Riding,J.B. et al. Jurassic, (Toarcian to Kimmeridgian), dinoflagellate cysts and paleoclimates. |
1999 |
| details |
Callovian |
Oxfordian |
Norway |
Riding,J.B. et al. Jurassic, (Toarcian to Kimmeridgian), dinoflagellate cysts and paleoclimates. |
1999 |
| details |
Callovian |
Oxfordian |
Australia(W.Australia) |
Riding,J.B. et al. Jurassic, (Toarcian to Kimmeridgian), dinoflagellate cysts and paleoclimates. |
1999 |
| details |
Triassic |
Pannonian |
Hungary |
Tomor,J. Results of the genesis and age determination of Hungarian oils |
1964 |
| original |
Ordovician |
Permian |
Zambia |
Utting,J. et al. Acritarchs and other microfossils from a borehole in Western Provence |
1972 |
| original |
Late Pliocene |
Pleistocene |
USA(Gulf of Mexico) |
Wrenn,J.H. et al. Preliminary comments on Miocene through Pleistocene dinoflagellate cysts from De Soto Canyon, Gulf of Mexico. |
1986 |