| original |
Wenlockian |
|
England(Shropshire) |
Downie,C. Deunffia and Domasia, new genera of Hystrichospheres. |
1960 |
| details |
Wenlockian |
|
England(Shropshire) |
Downie,C. 'Hystrichosheres', (acritarchs), and spores of the Wenlock Shales, (Silurian), of Wenlock, England. |
1963 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Middle Gothlandian |
Late Gothlandian |
Spain |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| details |
Silurian |
|
England |
Rudavskaya,V.A. Palaeozoic Hystrichospheres. |
1969 |
| details |
Early Wenlockian |
|
England |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Nd |
|
Ohio |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Nd |
|
Indiana |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Nd |
|
Kentucky |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Wenlockian |
|
Canada(Ontario) |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Wenlockian |
|
New York |
Cramer,F.H. Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa |
1970 |
| details |
Silurian |
|
USSR(European) |
Sheshegova,L.I. Some Silurian acritarchs of Podolia. |
1971 |
| details |
Silurian |
|
USA(Eastern) |
Cramer,F.H. et al. North American Silurian palynofacies and their spatial arrangement. |
1972 |
| details |
Ludlovian |
|
Romania |
Beju,D. Zoning and correlation of the Paleozoic of the Moesian Platform on the basis of palynoprotistological assemblages.1. |
1972 |
| details |
Nd |
|
Nd |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1973 |
| details |
Middle Llandoverian |
Late Llandoverian |
USSR |
Sheshegova,L.I. Silurian microfossils of Podolia. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Wenlockian |
|
Wales(Carmarthenshire) |
Hill,P.J. Stratigraphic palynology of acritarchs from the type area of the Llandovery and the Welsh Borderland. |
1974 |