| details |
Tremadocian |
|
Wales(Carmarthenshire) |
Tappin,D.R. et al. New Tramadoc strata at outcrop in the Bristol Channel. |
1978 |
| details |
Early Llanvirnian |
|
W.Germany(Niedersachsen) |
Maletz,J. et al. Acritarchs and graptolites from the Early Llanvirn (Ordovician) of the Herscheider Schichten (Rheinisches Schiefergebirge, Germany). |
1993 |
| details |
Late Cambrian |
|
USSR(Vologda) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| 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 |
| details |
Middle Cambrian |
Late Cambrian |
USSR(Pre-Urals) |
Timofeev,B.V. Microphytofossils of the Precambrian and Cambrian of northern Eurasia. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Micropalaeo-phytological analysis of Cambrian and Ordovician Petroleums of the Baltic Region. |
1965 |
| details |
Late Cambrian |
|
USSR(Leningrad) |
Volkova,N.A. et al. New Upper Cambrian acritarchs from the Leningrad Oblast, (Ladoga Formation). |
1985 |
| details |
Late Cambrian |
|
USSR(Leningrad) |
Volkova,N.A. et al. An assemblage of acritarchs from the Lower Part of Obolus Sandstones on the Izhora River. (In: Problems of Modern Palynology. A.F.Chlonova, editor) |
1984 |
| details |
Late Cambrian |
|
USSR(Leningrad) |
Borovko,N.G. et al. The reference section of Cambrian and Ordovician boundry sediments at North-West Russian Plate (Izhora River) |
1984 |
| details |
Late Cambrian |
Early Tremadocian |
USSR(Leningrad) |
Borovko,N.G. et al. The reference section of Cambrian and Ordovician boundry sediments at North-West Russian Plate (Izhora River) |
1984 |
| original |
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 Tremadocian |
|
USSR(Estonian SSR) |
Volkova,N.A. New species of acritarchs from the Lower Tremadocian of Estonia. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Early Ordovician |
|
USSR(Estonian SSR) |
Volkova,N.A. et al. Distribution of acritarchs in the Cambrian - Ordovician boundary Beds of the Suhkrumagi section (North Estonia). |
1988 |
| details |
Tremadocian |
|
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs from the Upper Pakeroritskogo horizon from northern Estonia and Leningrad Oblast. (In: Paleoflora and Stratigraphy of the Phanerozoic. M.A.Akhmetev, editor) |
1989 |
| details |
Late Cambrian |
Early Tremadocian |
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Desposits of the Cambrian-Ordovician boundary northern Estonia |
1989 |
| details |
Late Cambrian |
|
Spain |
Fombella Blanco,M.A. Resemblances and differences between the palynological associations of Upper Cambrian age in the northwest of Spain, (Vozmediano), and North of Africa. |
1987 |
| details |
Precambriam |
Arenigian |
Scotland |
Downie,C. et al. A palynological investigation of the Dalradian rocks of Scotland. |
1971 |