| details |
Late Vendian |
Early Cambrian |
USSR(European) |
Sokolov,B.S. The problem of the boundary between the Precambrian and the Cambrian |
1974 |
| details |
Vendian |
Early Cambrian |
USSR(Kazakh SSR) |
Rudavskaya,V.A. The stratigraphic importance of Proterozoic-Early Cambrian acritarchs for the Siberian and Russian Platforms. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |
| details |
Late Vendian |
Early Cambrian |
USSR(Siberia) |
Khomentovskii,V.V. The Vendian System of Siberia and a standard stratigraphic Scale. |
1986 |
| details |
Precambriam |
Early Cambrian |
USSR(Irkutskaya Oblast) |
Faizulina,Z.K. et al. Precambrian and Early Cambrian plant microfossils of the South West Prebaikal Irkutsk Amphitheatre and Mid-Botuobinsk |
1976 |
| details |
Middle Vendian |
Early Cambrian |
USSR(European) |
Pamkyavichene,L.T. Distribution of microphytofossil of the Vendian-Cambrian Pogranichnykh deposits of the West Part of the eastern European Platform |
1976 |
| details |
Precambriam |
Early Cambrian |
Poland |
Jagielska,L. Microfloristic study of a Radzyh Podlaski Boring |
1965 |
| details |
Precambriam |
Early Cambrian |
India(Mysore) |
Venkatachala,B.S. et al. Palynology in India. A report. Oil and Natural Gas Commission, Institute of Petroleum Exploration, Dehradun. |
1976 |
| details |
Late Precambrian |
Early Cambrian |
India(Bihar) |
Venkatachala,B.S. et al. Palynology in India. A report. Oil and Natural Gas Commission, Institute of Petroleum Exploration, Dehradun. |
1976 |
| details |
Late Tremadocian |
Early Arenigian |
Italy(Sardinia) |
Barca,S. et al. Discovery of Lower Ordovician acritarchs in the "Postgotlandiano' sequence of southwestern Sardinia (Italy)-Age and tectonic implications |
1981 |
| details |
Aptian |
Early Albian |
Argentina(San Luis) |
PrЎmparo,M.B. Palynostratigraphy of the Lower Cretaceous of the San Luis Basin, Argentina. Its place in the Lower Cretaceous floral provinces pattern |
1990 |
| details |
Precambriam |
Devonian |
Worldwide |
Timofeev,B.V. The taxonomy of the most ancient phytoplankton organisms and dispersed spores. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Ordovician |
Devonian |
Algeria |
de Jekhowsky,B. Organic microfossils (spores, hystrichospheres, chitinozoans, etc.), of the Saharan Pre-Quaternary |
1965 |
| details |
Ordovician |
Cretaceous |
England |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Ordovician |
Cretaceous |
Sweden |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Llanvirnian |
Caradocian |
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| details |
Middle Precambrian |
Cambrian |
India |
Prasad,K.N. Review of Precambrian microfossils from Peninsular India. (In: Stromatolites, Characteristics and Utility) |
1980 |
| details |
Proterozoic |
Cambrian |
Montana |
Pflug,H.D. et al. Evolutionary changes in the Proterozoic. (In: Global Bio-Events. O.H.Walliser, editors; Proceeding,1st International Meeting of IGCP Project 216; Global Biology Events in Earth History. O.H.Walliser, editor) |
1986 |