| details |
Middle Triassic |
|
Switzerland |
Brosius,M. et al. Middle Triassic Hystrichosphaerids from Salt wells Riburg 15 and 17, Switzerland. |
1961 |
| details |
Middle Buntsandstein |
|
E.Germany(Gera) |
Schon,M. Hystrichosphaerideae of the Middle Buntersandstein of Thuringen |
1967 |
| original |
Wenlockian |
|
Ohio |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| original |
Wenlockian |
|
Ohio |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| details |
Silurian |
|
Nd |
Evitt,W.R. Dinoflagellates and other organisms in palynological preparations. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Middle Llandoverian |
Late Wenlockian |
North America |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Middle Llandoverian |
Late Wenlockian |
Europe |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Middle Llandoverian |
Late Wenlockian |
Africa |
Cramer,F.H. Middle Silurian continental movement estimated from phytoplankton-facies transgressions. |
1970 |
| details |
Silurian |
|
USSR |
Sheshegova,L.I. Silurian acritarchs of Podolia |
1971 |
| details |
Aptian |
|
USSR(WSL) |
Mchedlishvili,N.D. Lower Cretaceous flora of the northwestern part of the Western Siberian Lowland. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Silurian |
|
England |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Silurian |
|
Worldwide |
Cramer,F.H. et al. Early Paleozoic palynomorph Provinces and paleoclimate. (In: Paleogeographic Provinces and Provinciality, Charles A. Ross, editor) |
1974 |
| details |
Tremadocian |
|
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Llandoverian |
Ludlovian |
USSR(Russian Platform) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Tremadocian |
|
USSR(Pre-Baltic) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Llandoverian |
Ludlovian |
USSR(Pre-Baltic) |
Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. |
1974 |
| details |
Silurian |
|
Yugoslavia |
Pantic,N.K. et al. Results of paleopalynological studies of the Paleozoic basement of the Moesian Platform in Negotin Region (Eastern Serbia). |
1975 |