| details |
Late Arenigian |
Llanvirnian |
Australia(W.Australia) |
Hoffmann,C.F. et al. Hydrocarbon biomarkers from Ordovician sediments and fossil alga Gloeocapsomorpha prisca, Zalessky,1917 |
1987 |
| details |
Early Cambrian |
|
USSR(Belorussian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Middle Ordovician |
|
USSR(Estonian SSR) |
Foster,C.B. et al. Gloeocapsomorpha prisca Zalesskey 1917; A new study. Part 1: Taxonomy, geochemistry and palaeoecology. |
1989 |
| details |
Silurian |
|
Baltic |
Karogodina,V.A. On the chemical treatment of ancient rocks for palaeontological investigations. |
1969 |
| details |
Ordovician |
|
Canada(Manitoba) |
McGregor,D.C. et al. Fossils of the Ordovician Red River Formation (Cat Head Member)0 1. palynomorphs of the Ordo Vician Cat Head Member, Lae Winnipeg, Manitoba |
1971 |
| details |
Middle Cambrian |
|
Spain |
Cramer,F.H. First report on the occurrence of acritarchs in the Oville Formation of Leon, Spain. |
1972 |
| details |
Late Ordovician |
|
USSR(Estonian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Nd |
|
USSR(Ukrainian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Ordovician |
|
USSR(Moldavian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Ordovician |
|
USSR(Krasnoyarsk Kray) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Nd |
|
USSR(Belorussian SSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Cambrian |
|
USSR(Nenets Nat.Okrug) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Ordovician |
|
USSR(Komi ASSR) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
1969 |
| details |
Silurian |
|
USA(Eastern) |
Cramer,F.H. et al. North American Silurian palynofacies and their spatial arrangement. |
1972 |