| details |
Homerian |
|
England(Shropshire) |
Dorning,K.J. et al. The Silurian carbonate shelf microflora- acritarch distribution in the Much Wenlock Limestone Formation. (In: Micropalaeontology of Carbonate Environments. M.B.Hart, editor) |
1987 |
| details |
Homerian |
|
Wales(Montgomeryshire) |
Dorning,K.J. et al. The Silurian carbonate shelf microflora- acritarch distribution in the Much Wenlock Limestone Formation. (In: Micropalaeontology of Carbonate Environments. M.B.Hart, editor) |
1987 |
| details |
Early Cambrian |
|
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Silurian |
Devonian |
France(Cotes du Nord) |
Deunff,J. et al. The presence of a paleoplankton of acritarchs, chitinozoans, spores, scolecodonts and radiolarians from the Siluro - Devonian Formations of the Plourach Region, (Cotes-du-Nord). |
1971 |
| details |
Emsian |
Eifelian |
USA(Eastern) |
Dennison,J.M. Faces relations of Hystrichosphaeres in Onesquethaw Stage (Devonian) of Central Appalachians |
1966 |
| details |
Nd |
|
Nd |
Deflandre,G. et al. Critical remarks on the genus Micrhystridium, Deflandre. |
1965 |
| details |
Nd |
|
Nd |
Deflandre,G. et al. Notes on the acritarchs. |
1963 |
| details |
Ordovician |
|
Brazil(Amazonas) |
de Quadros,L.P. et al. Ordovician acritarchae in the Alto Amazonas Sub-Basin, Brazil. |
1986 |
| details |
Arenigian |
Llanvirnian |
Brazil(Amazonas) |
de Quadros,L.P. Occurence of Ordovician microfossils (Acritarchae) in the Alto Amazon Sub Basin, Brazil. |
1986 |
| details |
Strunian |
|
France(Finistere) |
Coquel,R. et al. On the discovery of spores from the Devonian - Carboniferous (Strunian) Boundary, in the Schist Complex of the Douruff Breccia, (Morlaix Region, Finistere), and its significance. |
1977 |
| details |
Nd |
|
Nd |
Colbath,G.K. et al. Review of biological affinities of Paleozoic acid-resistant, organic walled eukaryotic algal microfossils, (including acritarchs). |
1995 |
| details |
Middle Frasnian |
|
Canada(Quebec) |
Cloutier,R. et al. Biostratigraphy of the Upper Devonian Escuminac Formation eastern Quebec, Canada: A comparative study based on miospores and Fishes |
1996 |
| details |
Early Oligocene |
|
Poland |
Ciuk,E. et al. Synthetic stratigraphic section of the Tertiary in the Lubstow Brown Coal deposit at Lubstow, Konin District. |
1991 |
| details |
Nd |
|
Nd |
Butterfield,N.J. Plankton ecology and Proterozoic - Phanerozoic transition. |
1997 |
| details |
Nd |
|
Nd |
Brito,I.M. The acritarchs |
1967 |
| details |
Nd |
|
Belgium |
Bouckaert,J. et al. The Famennian and transitional Devonian - Carboniferous Beds in the Ourthe (south of Liege, the Dinant Synclinorium). (In: Colloqium on the Stratigraphy of the Carboniferous, Compte Rendus, 8th Reunion CIMP. M.Streel and R.H.Wagner, editors) |
1970 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Bouckaert,J. et al. The Frasnian-Famennian boundary in Belgium |
1972 |