| details |
Late Cambrian |
Early Tremadocian |
USSR(Estonian SSR) |
Volkova,N.A. Phytoplankton and acritarch research of Cambrian-Ordovician deposits of the Baltic Region |
1995 |
| details |
Late Cambrian |
Early Tremadocian |
USSR(Estonian SSR) |
Volkova,N.A. Acritarchs of the Desposits of the Cambrian-Ordovician boundary northern Estonia |
1989 |
| details |
Aptian |
Early Albian |
USSR(Kazakh SSR) |
Fedorova-Shakhmundes,V.A. Neodiacromophitae. A new sub-group of Cretaceous acritarch. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |
| details |
Aptian |
Early Albian |
USSR(Kazakh SSR) |
Shakhmundes,V.A. The findings of Acanthodiacrodium Timofeev,1958 in Lower Cretaceous deposits of the northern part of Caspian Region. |
1971 |
| details |
Early Albian |
|
USSR(Kazakh SSR) |
Fedorova-Shakhmundes,V.A. Neodiacromorphitae: New subgroup of Cretaceous acritarchs. (In: Palynological Studies. Collected Articles. S.R.Samoilovich, editor) |
1976 |
| original |
Early Aptian |
|
USSR(Kazakh SSR) |
Shakhmundes,V.A. The findings of Acanthodiacrodium Timofeev,1958 in Lower Cretaceous deposits of the northern part of Caspian Region. |
1971 |
| original |
Late Cambrian |
|
USSR(Leningrad) |
Volkova,N.A. et al. New Upper Cambrian acritarchs from the Leningrad Oblast, (Ladoga Formation). |
1985 |
| details |
Late Cambrian |
|
Belgium |
Bless,M.J.M. et al. The Stavelot Massif from Cambrian to Recent. A survey of the present state of knowledge. |
1991 |
| details |
Late Cambrian |
|
Sweden |
Tongiorgi,M. et al. Late Cambrian and Tremadocian phytoplankton (Acritarchs) communities from Oland (Sweden). |
1990 |
| details |
Late Cambrian |
|
USSR(Leningrad) |
Volkova,N.A. Middle and Upper Cambrian acritarchs in the East-European Platform |
1990 |
| details |
Late Cambrian |
|
USSR(Yaroslav) |
Volkova,N.A. Middle and Upper Cambrian acritarchs in the East-European Platform |
1990 |
| details |
Late Cambrian |
|
USSR(Estonian SSR) |
Kheinsalu,K. et al. Cambrian-Ordovician boundary beds in the Saka Ii section, Northern East Estonia. |
1990 |
| details |
Late Cambrian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Aptian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
|
|
USSR(Kazakh SSR) |
Shakhmundes,V.A. Lower Cretaceous microphytoplankton of the northern Pre-Caspian and their significance for stratigraphy and paleogeogaphy. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |
| details |
Merioneth |
|
Sweden |
Di Milia,A. et al. Late Cambrian acritarchs from the Peltura scarabaeoides Trilobite Zone at Degerhamn (Oland, Sweden). |
1989 |
| details |
Late Cambrian |
|
USSR(Arkhangelsk Oblast) |
Volkova,N.A. Phytoplankton and acritarch research of Cambrian-Ordovician deposits of the Baltic Region |
1995 |