| details |
Nd |
|
Nd |
Sarjeant,W.A.S. The Hystrichospheres. A review and discussion. |
1961 |
| details |
Eifelian |
|
Czechoslovakia |
Lele,K.M. Observations on Middle Devonian microfossils from the Barrandian Basin, Czechoslovakia. |
1972 |
| details |
Givetian |
|
Czechoslovakia |
Lele,K.M. Observations on Middle Devonian microfossils from the Barrandian Basin, Czechoslovakia. |
1972 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
1969 |
| details |
Llanvirnian |
Caradocian |
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Bouckaert,J. et al. The Frasnian-Famennian boundary in Belgium |
1972 |
| details |
Ordovician |
Silurian |
Bulgaria |
Kalvacheva,R.K. Preliminary results from palynological studies of the Lower Paleozoic in the Iskur Gorge. |
1972 |
| details |
Nd |
|
Nd |
M¤dler,K.A. Hystrichophyta and acritarchs |
1967 |
| details |
Precambriam |
Early Cambrian |
Poland |
Jagielska,L. Microfloristic study of a Radzyh Podlaski Boring |
1965 |
| details |
Silurian |
|
USSR |
Sheshegova,L.I. Silurian acritarchs of Podolia |
1971 |
| details |
Middle Cambrian |
Late Cambrian |
USSR(Russian Platform) |
Bogomyagkova,V.B. Lower Cambrian acritarchs in the Lvov Paleozoic Trough. |
1971 |
| details |
Nd |
|
Nd |
Evitt,W.R. A discussion and proposals concerning fossil dinoflagellates, Hystrichospheres, and acritarchs. II. |
1963 |
| details |
Early Triassic |
|
Australia(W.Australia) |
Balme,B.E. The Permian - Triassic Boundary in Australia. |
1969 |
| details |
Early Cambrian |
|
Poland |
Jagielska,L. Lower Cambrian microflora of the Klimontow Anticlinorium |
1967 |
| details |
Eocene |
|
Nd |
Downie,C. The geological history of the microplankton. |
1967 |
| details |
Ordovician |
Silurian |
Sweden |
Kjellstrжm,G. Remarks on the Chemistry and ultrastructure of the Cell wall of some Palaeozoic Leispheres |
1968 |
| details |
Nd |
|
Nd |
Brito,I.M. The acritarchs |
1967 |