| details |
Wenlockian |
Ludlovian |
Poland |
Jachowicz,M. et al. Acritarcha of Silurian formations from Myszrow area. |
1987 |
| details |
Vendian |
|
Spain |
LiŠ±an,E. et al. Comment of the occurence of microplankton at the Precambrian-Cambrian boundary, Sierra de Cordoba, Spain. |
1983 |
| details |
Tremadocian |
|
USSR(Moscow Basin) |
Aristova,K.E. Typical assemblages of Ordovician and Silurian microfossils from the Moscow Syncline. |
1980 |
| details |
Tremadocian |
Arenigian |
China(Shanghai) |
Hu,Y. Micropalaeoflora from the Early Ordovician in Gaoqiao Region of Shaanxi and its stratigraphic significance. |
1986 |
| details |
Tremadocian |
|
USSR |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Sinian |
|
China |
Cao,J. et al. The Sinian System in Southwest China. (In: Paleontology and stratigraphy of Carbonate rocks in the Southwestern Region of China) |
1979 |
| details |
Ordovician |
|
Bulgaria |
Maljakov,J.G. et al. Palynological data for a possible age of a Part of the Low-Grade metamorphic rocks in Strandza Mountain |
1982 |
| details |
Neocomian |
|
USSR(WSL) |
Klimushina,L.P. et al. Palynological analysis of oils of Samotlor Field |
1982 |
| details |
Nd |
|
Nd |
Vanguestaine,M. Zone species of acritarchs from the Cambro-Tremadocian of Belgium and the French Ardennes. |
1974 |
| details |
Middle Cambrian |
Early Ordovician |
USSR(Carpathians) |
Sergeeva,L.A. et al. The importance of microphytofossils for the Paleozoic stratigraphy of the Carpathian-Balkan Region. (In: Geology of the Soviet Carpathians) (N.P.Semenenko-Eds) |
1984 |
| details |
Middle Cambrian |
Late Cambrian |
Bulgaria |
Sergeeva,L.A. et al. Micropaleophytological investigations of metamorphic formations of the Carpathian Balkan folded region. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Middle Cambrian |
Late Cambrian |
Bulgaria |
Sergeeva,L.A. et al. Devonian palynomorphs in the Strandzha metamorphites |
1983 |
| details |
Middle Cambrian |
|
Belgium |
Vanguestaine,M. Discovery of acritarchs in the Upper Revinian of the Stavelot Massif. |
1967 |
| details |
Middle Cambrian |
|
USSR(Latvian SSR) |
Volkova,N.A. Acritarchs from boundary layers of Lower-Middle Cambrian of West Latvia. |
1974 |
| details |
Middle Cambrian |
|
USSR(Russian Platform) |
Volkova,N.A. Acritarchs from boundary layers of Lower-Middle Cambrian of West Latvia. |
1974 |
| 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 |
Middle Cambrian |
Tremadocian |
Canada(Newfoundland) |
Parsons,M.G. et al. The biostratigraphic potential of Middle Cambrian to Tremadocian acritarchs; Modification of existing zonal schemes based on material from Conception and Trinity Bays, Newfoundland, and St.John, New Brunswick. |
1991 |