| details |
Ashgillian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Acritarch biostratigraphy of Upper Ordovician-Lower Silurian strata of Anticosti Island, Quebec and implications for intracontinental correlation. |
1981 |
| details |
Ordovician |
|
S.Ireland(Clare) |
Downie,C. et al. Micropalaeontological evidence on the age of the Clara Group, (southeast Ireland). |
1968 |
| details |
Arenigian |
|
Wales |
Downie,C. et al. Changes in the acritarch assemblages at the Tremadoc boundaries in the United Kingdom. |
1979 |
| details |
Ordovician |
|
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Cambrian |
Early Gothlandian |
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Westphalian A |
Autunian |
France(Vosges) |
Doubinger,J. On the age of Coal bearing strata of the Vosges. |
1965 |
| details |
Late Wenlockian |
|
S.Ireland(Tipperary) |
Doran,R.J.P. The Silurian rocks of the southern part of the Slieve Phelim Inlier, County Tipperary. |
1974 |
| details |
Oxfordian |
|
USSR(Kazakh SSR) |
Dolitskaya,I.V. et al. Correlation of Jurassic and Cretaceous sediments of the Buzachi Peninsula and North-Western Ustyurt |
1979 |
| details |
Berriasian |
Valanginian |
USSR(Kazakh SSR) |
Dolitskaya,I.V. et al. Correlation of Jurassic and Cretaceous sediments of the Buzachi Peninsula and North-Western Ustyurt |
1979 |
| details |
Early Cambrian |
|
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Late Llandoverian |
Early Wenlockian |
Italy(Sardinia) |
Di Milia,A. et al. Acritarch findings in Early Paleozoic, low-grade metasediments of Sardinia (Italy): A review. |
1993 |
| details |
Cambrian |
|
Libya |
Deunff,J. et al. Cambrian to Ordovician palynology and stratigraphy (Northwest Libya). |
1975 |
| details |
Nd |
|
Nd |
Deflandre,G. et al. Notes on the acritarchs. |
1963 |
| details |
Rhaetian |
|
Australia(Queensland) |
de Jersey,N.J. Early Jurassic miospores from the Helidon Sandstone. |
1971 |
| details |
Late Dogger |
|
Madagascar |
de Jekhowsky,B. Lateral variations in quantitative palynology and Continental to marine transgression-The Upper Dogger of the South West of Madagascar |
1963 |
| details |
Ordovician |
Devonian |
Algeria |
de Jekhowsky,B. Organic microfossils (spores, hystrichospheres, chitinozoans, etc.), of the Saharan Pre-Quaternary |
1965 |
| details |
Early Cretaceous |
|
Europe |
de Jekhowsky,B. Bibliographical review of Hystrichospheres and dinoflagellates from the European Lower Cretaceous |
1965 |