original |
Middle Devonian |
|
Brazil(Para) |
Sommer,F.W. et al. Some new Tasmanaceae from the Devonian of Para. |
1963 |
details |
Devonian |
|
Brazil(Pernambuco) |
Brito,I.M. Short note on the Devonian microfossils of Pernambuco |
1965 |
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 |
Sarjeant,W.A.S. Xanthidia, Palinospheres and "Hystrix": A review of the study of fossil unicellular microplankton with organic cell walls. |
1970 |
details |
Middle Devonian |
Early Carboniferous |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
details |
Devonian |
Carboniferous |
Nd |
Taugourdeau-Lantz,J. The Tasmanaceae, fossil cysts of the Prasinophyceae. |
1979 |
details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |