details |
Ordovician |
Silurian |
Algeria |
de Jekhowsky,B. Organic microfossils (spores, hystrichospheres, chitinozoans, etc.), of the Saharan Pre-Quaternary |
1965 |
details |
Nd |
|
Nd |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
details |
Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Ordovician acritarchs from Central Bohemia. |
1965 |
details |
Early Llandeilian |
|
Czechoslovakia |
VavrdovЎ,M. Palaeozoic microplankton from central Bohemia. |
1966 |
details |
Middle Devonian |
|
Brazil(Pernambuco) |
Brito,I.M. Contribution to the knowledge of Devonian microfossils of Pernambuco.1. Archaeotriletes |
1967 |
details |
Silurian |
|
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
details |
Nd |
|
Nd |
Brito,I.M. The acritarchs |
1967 |
details |
Llanvirnian |
Caradocian |
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
details |
Nd |
|
Nd |
M¤dler,K.A. Hystrichophyta and acritarchs |
1967 |
details |
Early Llandoverian |
Frasnian |
Brazil(Amazonas) |
Lange,F.W. Biostratigraphic subdivisions and revision of the Silurian-Devonian column of the Lower Amazon Basin. |
1967 |
details |
Early Llandoverian |
Frasnian |
Brazil(Amazonas) |
Lange,F.W. Biostratigraphic subdivisions and revision of the Silurian-Devonian column of the Lower Amazon Basin. |
1967 |
details |
Nd |
|
Nd |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
details |
Givetian |
|
Czechoslovakia |
Lele,K.M. Preliminary note on the miospores and other microfossils from the Srbsko Formation (Givetian) in the Barrandian Basin, Czchoslovakia. |
1968 |
details |
Nd |
|
Africa |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
details |
|
|
North America |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
details |
|
|
Brazil |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
details |
Nd |
|
Nd |
Sarjeant,W.A.S. Recent developments in the application of fossilised planktonic organisms to problems of stratigraphy and Palaeoecoogy. |
1970 |