| details |
Middle Cambrian |
Arenigian |
Zambia |
VavrdovЎ,M. et al. Lower Palaeozoic microfossils from the Luapula Beds of Mansa area |
1972 |
| details |
Middle Ordovician |
Early Gothlandian |
USSR(Yaroslav) |
Aristova,K.E. et al. Upper Ordovician and Silurian of the Moscow Syneclise |
1977 |
| details |
Early Carboniferous |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Early Triassic |
Middle Triassic |
USSR(Urals) |
Tuzhikova,V.I. Triassic acritarchs of the Urals |
1971 |
| details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Bagdasaryan,L.L. Micropaleophytological studies of Paleozoic oil in the South European part of the USSR. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Vendian |
Early Cambrian |
USSR(Siberia) |
Rudavskaya,V.A. Microstructures of the Orgueil Meteorite similar to microforms from the Lower Paleozoic of eastern Siberia |
1972 |
| details |
Early Carboniferous |
|
USSR(Belorussian SSR) |
Bagdasaryan,L.L. Micropaleophytological studies of Paleozoic oil in the South European part of the USSR. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Emsian |
Eifelian |
USA(Eastern) |
Dennison,J.M. Faces relations of Hystrichosphaeres in Onesquethaw Stage (Devonian) of Central Appalachians |
1966 |
| details |
Early Frasnian |
|
Texas |
Barker,G.W. et al. Microplankton and spores from the Woodford Shale (Devonian) of the Tobosa Basin, southeast New Mexico-southwestern Texas, USA. |
1988 |
| details |
Early Devonian |
|
Tennessee |
Reaugh,A.B. et al. Acritarchs and chitinozoans from the Lower Devonian (Helderbergian) Birdsong Shale, Decatur County, Tennessee. |
1977 |
| details |
Late Famennian |
|
Poland |
Filipiak,P. Devonian and Carboniferous palynomorphs from the western Holy Cross Mountains (Poland) and their palaeoenvironmental significance. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
| details |
Devonian |
|
North America |
Dorning,K.J. Paleozoic marine Shelf acritarchs |
1984 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Devonian |
|
Nd |
Rudavskaya,V.A. Hystrichosphaerida of the Paleozoic Era |
1965 |
| details |
Nd |
|
Nd |
Colbath,G.K. Devonian, (Givetian-Frasnian) organic-walled phytoplankton from the Limestone Billy Hills, Reef complex, Canning Basin, Western Australia. |
1990 |