| details |
Nd |
|
Nd |
Sarjeant,W.A.S. The Hystrichospheres. A review and discussion. |
1961 |
| details |
Silurian |
|
Nd |
Rudavskaya,V.A. Hystrichosphaerida of the Paleozoic Era |
1965 |
| details |
Middle Cambrian |
|
Baltic |
Rudavskaya,V.A. Palaeozoic Hystrichospheres. |
1969 |
| details |
Ordovician |
|
Nd |
Rudavskaya,V.A. Palaeozoic Hystrichospheres. |
1969 |
| details |
Llandoverian |
Wenlockian |
USSR(Belorussian SSR) |
Piskun,L.V. The stratigraphic significance of acritarchs for the correlation of Lower Paleozoic sediments in Belorussia. |
1981 |
| details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
Permian |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Early Permian |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Middle Precambrian |
Cambrian |
Africa |
Locquin,M.V. Nature and systematics of the chitinozoans or Chitinomycetes. |
1980 |
| details |
Cambrian |
Silurian |
India(Jammu & Kashmir) |
Lele,K.M. et al. Precambrian and Palaeozoic floras from the Himalaya; a review |
1983 |
| details |
Nd |
|
India(Mysore) |
Kumar,A. Fossil Dinophyceae and its uses in Petroleum exploration with special reference to India. |
1980 |
| details |
Devonian |
|
USSR(Urals) |
Kulkova,I.A. The Eocene climatic optimum of northern Asia. (In: Climates of the Earth in the Geological Past. A.A.Velichko and A.L.Chepalyga, editors) |
1987 |
| details |
Cambrian |
|
USSR(Russian Platform) |
Kiryanov,V.V. Stratigraphy of Cambrian deposits of Volyn. |
1969 |
| details |
Early Pliensbachian |
|
USSR(Siberia) |
Ilyina,V.I. Jurassic palynology of Siberia |
1985 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Silurian |
|
Nd |
Evitt,W.R. Observations on the morphology of fossil dinoflagellates. |
1961 |
| details |
Nd |
|
Nd |
Evitt,W.R. A discussion and proposals concerning fossil dinoflagellates, Hystrichospheres, and acritarchs. II. |
1963 |