| details |
Silurian |
|
USSR(Baltic) |
Eisenack,A. Tasmanites, Newton,1875, and Leiosphaeridia, nov.gen., as genera of the Hystrichosphaerideae. |
1958 |
| details |
Wenlockian |
|
England(Shropshire) |
Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. |
1959 |
| details |
Wenlockian |
|
England(Shropshire) |
Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. |
1959 |
| details |
Ludlovian |
|
Sweden |
Eisenack,A. A report on Leiospheres and on the Pylom of Hystrichospheres |
1962 |
| details |
Middle Wenlockian |
|
Sweden |
Eisenack,A. A report on Leiospheres and on the Pylom of Hystrichospheres |
1962 |
| details |
Wenlockian |
|
England(Shropshire) |
Downie,C. 'Hystrichosheres', (acritarchs), and spores of the Wenlock Shales, (Silurian), of Wenlock, England. |
1963 |
| details |
Ordovician |
|
USSR(Estonian SSR) |
Eisenack,A. On some species of the genus Tasmanites Newton 1875. |
1963 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Silurian |
|
Sweden |
Eisenack,A. Microfossils of the Gotland Silurian. Hystrichospheres and questionable types |
1965 |
| details |
Silurian |
|
USSR(Pre-Baltic) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
| details |
Early Ordovician |
|
Sweden |
Eisenack,A. On the reproduction of Palaeozoic hystrichospheres. |
1968 |
| details |
Nd |
|
Nd |
Eisenack,A. Critical review of some fossil dinoflagellates and acritarchs. |
1969 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils from the Silurian of Esthonia and the Isle of Osel |
1970 |
| details |
Downtonian |
|
Poland |
Eisenack,A. Chitinozoans and other micro-fossils from the Leba-Bore, Pomerania. |
1972 |
| details |
Late Gothlandian |
|
Nd |
Eisenack,A. Microorganisms as destroyer of acid-resistant organic substances and of Biophosphates. |
1973 |
| details |
Late Ludlovian |
|
E.Germany(Rostock) |
Eisenack,A. Contribution to acritarch research. |
1974 |
| details |
Late Gothlandian |
|
USSR(Belorussian SSR) |
Piskun,L.V. Palaeontologic characteristics of Silurian deposits of the Brest Depression. (In: Microfossils USSR. T.F.Vozzhennikova et al, editors) |
1974 |