| details |
Westphalian C |
|
Belgium |
Stockmans,F. et al. Description of three Hystrichospheres found in the shale of the marine horizon of Petit Buisson. |
1962 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Early Ludlovian |
|
Nd |
Lister,T.R. et al. New evidence for the age of the primitive Echinoid Myriastiches gigas |
1967 |
| details |
Nd |
|
Nd |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| details |
Silurian |
|
Nd |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Ludlovian |
Downtonian |
Wales |
Warren,P.T. The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors) |
1971 |
| details |
Wenlockian |
|
Canada(Ontario) |
Thusu,B. Acritarchs of the Middle Silurian Rochester Formation of Southern Ontario |
1973 |
| details |
Wenlockian |
|
New York |
Thusu,B. Acritarchs from the Ilion Shale (Wenlockian), Utica, New York |
1973 |
| details |
Silurian |
|
France(Bretagne) |
Moreau-Benoit,A. Palynological and planktonic research on the Devonian and some Silurian formations of the southeast Massif Armoricain. |
1974 |
| details |
Llandoverian |
Early Wenlockian |
Wales(Carmarthenshire) |
Hill,P.J. Stratigraphic palynology of acritarchs from the type area of the Llandovery and the Welsh Borderland. |
1974 |
| details |
Wenlockian |
Downtonian |
England(Shropshire) |
Lister,T.R. et al. The stratigraphic distribution of the acritarchs in the Ludlow succession at Ludlow. |
1974 |
| details |
Arenigian |
Llanvirnian |
Mediterranean Sea |
VavrdovЎ,M. Geographical differentiation of Ordovician acritarch assemblages in Europe. |
1974 |
| details |
Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Excystment mechanism of Early Paleozoic acritarchs. |
1976 |
| details |
Arenigian |
Ludlovian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Ludlovian |
|
USSR(Siberia) |
Sheshegova,L.I. Comparison of a Silurian acritarch complex and lithogenesis. (In: The Fauna and Biostratigraphy of Upper Ordovician and Silurian of the Altai-Sajan Region) |
1978 |
| details |
Late Llandoverian |
Early Wenlockian |
Italy(Sardinia) |
Del Rio,M. et al. Silurian acritarchs of the Paleozoic succession of Domusnovas, (southwest Sardinia). |
1979 |
| details |
Early Wenlockian |
|
England(Somerset) |
Dorning,K.J. Palynology of the Silurian of Moon's Hill, eastern Mendips, Somerset, England. |
1981 |