| details |
Cambrian |
Silurian |
Belgium |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Cambrian |
Silurian |
India(Jammu & Kashmir) |
Lele,K.M. et al. Precambrian and Palaeozoic floras from the Himalaya; a review |
1983 |
| details |
Ordovician |
Silurian |
Sweden |
Kjellstrжm,G. Remarks on the Chemistry and ultrastructure of the Cell wall of some Palaeozoic Leispheres |
1968 |
| details |
Ordovician |
Silurian |
Bulgaria |
Kalvacheva,R.K. Preliminary results from palynological studies of the Lower Paleozoic in the Iskur Gorge. |
1972 |
| details |
Middle Proterozoic |
Silurian |
Eurasia |
Timofeev,B.V. Proterozoic and early microfossils. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Late Cambrian |
Silurian |
India(Rajasthan) |
Venkatachala,B.S. et al. Palynology in India. A report. Oil and Natural Gas Commission, Institute of Petroleum Exploration, Dehradun. |
1976 |
| details |
Late Precambrian |
Recent |
Nd |
Taugourdeau-Lantz,J. The Tasmanaceae, fossil cysts of the Prasinophyceae. |
1979 |
| details |
Lochkovian |
Pragian |
France(Bretagne) |
Baudu,V. et al. Relationships between organic-walled microfossils and palaeoenvironments: examples of two Devonian Formations from the Armorican Massif and Aquitaine |
1995 |
| details |
Eocene |
Pliocene |
China(Qinghai) |
Huang,D. et al. The origin of 4-Methyl Steranes and pregnanes from Tertiary strata in the Qaidam Basin, China. |
1994 |
| details |
Late Proterozoic |
Pleistocene |
Germany(Niedersachsen) |
Prжssl,K.F. Palaeopalynology Part iii: Acritarch, Prasinophyceen and dinoflagellate: Aquatic palynomorphs from Ursprungs. |
1998 |
| details |
Precambriam |
Permian |
India |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Ordovician |
Permian |
Zambia |
Utting,J. et al. Acritarchs and other microfossils from a borehole in Western Provence |
1972 |
| details |
Devonian |
Permian |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Cambrian |
Ordovician |
USSR(Baltic) |
Timofeev,B.V. Paleological investigation of petroleum. |
1965 |
| details |
Late Cambrian |
Ordovician |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Paleogene |
Neogene |
Poland |
Grabowska,I. Flora of the Palaeogene and the Neogene. (In: Catalogue of Fossil. Part 3A. Cainozoic, Tertiary. J.Czerminski, editor) |
1977 |
| details |
Early Triassic |
Middle Triassic |
USSR(Urals) |
Tuzhikova,V.I. Triassic acritarchs of the Urals |
1971 |