| original |
Early Cambrian |
|
USSR |
Naumova,S.N. Spores of the Lower Cambrian |
1949 |
| details |
Middle Devonian |
|
Canada(Gaspe Area) |
Radforth,N.W. et al. Some plant microfossils important to Pre-Carboniferous stratigraphy and contributing to our knowledge of the Early Floas. |
1954 |
| details |
Early Cambrian |
|
USSR(Pre-Baltic) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
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 |
Early Cambrian |
|
USSR(Pre-Baltic) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Early Cambrian |
|
USSR |
Timofeev,B.V. The age of a graywache from Lower Saxony. Micropaleontological investigation of samples from the Graywacke of Weesensteiner and Lausitzer. |
1958 |
| details |
Early Cambrian |
|
USSR(Krasnoyarsk Kray) |
Kirichenko,G.I. et al. Spores of the Sinian and Cambrian deposits of the Enisey Ridge |
1961 |
| original |
Early Emsian |
|
W.Germany(N.Rhine) |
Franke,F. Microfossils of a Lower Devonian bituminous shale layers near Munsterlifel. |
1965 |
| details |
Precambriam |
Cambrian |
Nd |
Roselt,G. Palaobotanic and palaobotanical method and geological investigation. |
1972 |
| details |
Nd |
|
Nd |
German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) |
1989 |
| details |
Early Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |