| details |
Early Ordovician |
|
USSR(Russian Platform) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| original |
Late Cambrian |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance |
1959 |
| details |
Late Tremadocian |
|
USSR(Kostroma) |
Aristova,K.E. Acritarchs of Tremadoc-Arenig boundary Beds of the Moscow Synclise. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Early Cambrian |
|
Romania |
Olaru,L. et al. The age of epimetamorphic formations of the Rusai Zone, (from the Bistrite Mountains) based on spore-protistologic analysis. |
1979 |
| details |
Ordovician |
|
Poland |
Jagielska,L. Flora of the Ordovician;Microflora |
1972 |
| details |
Tremadocian |
|
Poland |
Jagielska,L. Microspores of the older Palaeozoic from Bore-Hole Uszkowce 1. |
1962 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Late Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Tremadocian |
|
Italy(Sardinia) |
Albani,R. et al. New palynological data and geological considerations on the age of the Solanas Sandstone (Cambrian-Ordovician-Central Sardinia) |
1985 |
| details |
Middle Tremadocian |
Late Tremadocian |
Italy(Sardinia) |
Pittau Demelia,P. et al. The signifance of acritarch stratigraphy of the Paleozoic succession of Sardinia. |
1982 |
| details |
Tremadocian |
Early Arenigian |
Italy(Sardinia) |
Pittau Demelia,P. Tremadocian (Early Ordovician) acritarchs of the Arburese Unit southwest Sardinia, (Italy). |
1985 |
| details |
Late Tremadocian |
Early Arenigian |
Italy(Sardinia) |
Barca,S. et al. Discovery of Lower Ordovician acritarchs in the "Postgotlandiano' sequence of southwestern Sardinia (Italy)-Age and tectonic implications |
1981 |
| details |
Tremadocian |
|
Italy(Sardinia) |
Barca,S. et al. New geological and stratigraphical data and discovery of Lower Ordovician acritarchs in the San Vito Sandstone of the Genn'Argiolas Unit (Sarrabus, Southeastern Sardinia) |
1989 |
| details |
Tremadocian |
|
Italy(Sardinia) |
Barca,S. et al. Dating the uppermost part of the Cabitza Formation (southwest Sardinia, Italy) as Ordovician rather than Cambrian, due to the presence of Dictyonema flabelliforme and acritarchs; Geodynamic implications. |
1987 |
| details |
Early Tremadocian |
|
Italy(Sardinia) |
Di Milia,A. et al. Reworked palynomorphs in the Solanas Sandstone (Central Sardinia) and their significance for the basin analysis. (In: Contributions to the Geology of Italy with Special Regard to the Paleozoic Basements. A Volume Dedicated to Tommaso Cocozza. L.Carmignani and F.P.Sassi, editors) |
1992 |
| details |
Early Tremadocian |
|
Italy(Sardinia) |
Di Milia,A. et al. Acritarch findings in Early Paleozoic, low-grade metasediments of Sardinia (Italy): A review. |
1993 |
| details |
Early Tremadocian |
|
Italy(Sardinia) |
Di Milia,A. et al. Tremadocian acritarch assemblages from the Solanas Sandstone Formation (Nappe zone of Central Sardinia) |
1993 |