| details |
Nd |
|
Nd |
Eisenack,A. On the systematics of some Palaeozoic Hystrichospheres (Acritarch) from the Baltic Region. |
1969 |
| details |
Silurian |
|
Sweden |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Late Arenigian |
|
Poland |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Silurian |
|
Canada(Quebec) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Arenigian |
Ashgillian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| details |
Middle Ordovician |
|
Finland |
Tynni,R. Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea. |
1975 |
| details |
Middle Llandoverian |
|
USSR(Estonian SSR) |
Nestor,V. A microplankton correlation of Boring Sections of the Raikkula Stage, Estonia. |
1976 |
| details |
Llanvirnian |
|
USSR(Moscow Basin) |
Aristova,K.E. Typical assemblages of Ordovician and Silurian microfossils from the Moscow Syncline. |
1980 |
| details |
Llanvirnian |
|
USSR(European) |
Aristova,K.E. Microfossils of the Llandvirian Stage of the Moscow Synclise. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Silurian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Acritarch biostratigraphy of Upper Ordovician-Lower Silurian rocks, Anticosti Island, Quebec. |
1981 |
| details |
Ordovician |
|
Finland |
Tynni,R. On Paleozoic microfossils in clastic dykes on the …land Islands and in the core samples of Lumparn. (In: Paleozoic sediments in the Rapakivi area of the …land Islands. L. Bergman, R. Tynni and B. Winterhalter, editors.) |
1982 |
| details |
Early Gothlandian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Gradational morphological series in Early Silurian acritarchs from Anticosti Island, Quebec. |
1982 |
| details |
Early Menierian |
|
Canada(Anticosti Island) |
Barnes,C.R. Stratigraphy and palaeontology of the Ordovician Silurian boundary interval, Anticosti Island, Quebec, Canada. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Rhuddanian |
Telychian |
Canada(Quebec) |
Martin,F. Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Caradocian |
Wenlockian |
USSR(Baltic) |
Martin,F. Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Caradocian |
Wenlockian |
Poland |
Martin,F. Late Ordovician and Early Silurian acritarchs. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
| details |
Rhuddanian |
Telychian |
Atlantic Coast Offshore |
Martin,F. Acritarchs. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |