| details |
Early Devonian |
Middle Devonian |
USSR(Azerbaijan SSR) |
Tilina-Stanichnikova,M.S. Discovery of Devonian spores in deposits beneath the Faunistically characterized Devonian in some Regions of Second Baku. |
1965 |
| details |
Cambrian |
Early Tremadocian |
Poland |
Jagielska,L. Microspores of the older Palaeozoic from Bore-Hole Uszkowce 1. |
1962 |
| original |
Proterozoic |
Early Ordovician |
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Proterozoic |
Early Ordovician |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Sinian |
Early Cambrian |
USSR(Yakut ASSR) |
Timofeev,B.V. Stratigraphy, palaeontological characteristics and sectional comparison of Sinian and Cambrian deposits of the northeastern slopes of the Aldansk and the Southern Slopes of the Anabarsk Shields. (In: Material on the geology and petroleum of Yakut ASSR) |
1959 |
| details |
Late Proterozoic |
Early Cambrian |
USSR(Buryat ASSR) |
Timofeev,B.V. On the age of the sedimentary-Metamorphic Layers of eastern Transbaikal. (In: Geological Symposium #5) |
1960 |
| details |
Late Proterozoic |
Early Cambrian |
USSR(Siberia) |
Timofeev,B.V. Spores of Proterozoic and Early Paleozoic deposits of eastern Siberia and their stratigraphic significance |
1956 |
| details |
Late Precambrian |
Early Cambrian |
USSR(Yablonov Khrebet) |
Spizharsky,T.N. Late Precambrian deposits of the Siberian Platform |
1958 |
| details |
Vendian |
Early Cambrian |
Poland |
Jagielska,L. Microflora in the Eocambrian and Lower Cambrian deposits in the eastern area of Poland |
1966 |
| details |
Late Precambrian |
Early Cambrian |
Poland |
Jagielska,L. New data on the Eocambrian and Lowermost Cambrian microflora from the Klimontow Anticlinorium. |
1965 |
| details |
Late Precambrian |
Early Cambrian |
Arizona |
Downie,C. Palynology of the Chuaria Shales of the Grand Canyon. |
1969 |
| details |
Riphean |
Cambrian |
Poland |
Glowacki,E. et al. Precambrian and Cambrian basement of the Carpathian Srodkovy Foothills and the Holy Cross Mountains |
1963 |
| original |
Vendian |
Cambrian |
W.Germany(Niedersachsen) |
Timofeev,B.V. The age of a graywache from Lower Saxony. Micropaleontological investigation of samples from the Graywacke of Weesensteiner and Lausitzer. |
1958 |
| details |
Proterozoic |
Cambrian |
USSR(Karelian ASSR) |
Timofeev,B.V. Stratigraphy and correlation of the Precambrian |
1960 |
| details |
Early Cambrian |
|
Poland |
Michniak,R. Notes on the petrography and micropalaeophytology in the oldest strata of the Holy Cross Mountains |
1959 |
| details |
Sinian |
|
USSR(Urals) |
Vladimirskaya,E.V. et al. New data on the age of the "Ancient Series" at the Western Slope of the Urals. |
1956 |
| original |
Vendian |
|
Sweden |
Timofeev,B.V. On the micropaleontological characteristics of the Visingso Formation |
1960 |