| details |
Nd |
|
Nd |
Eisenack,A. A discussion of recent Hystrichospheres |
1964 |
| details |
Recent |
|
Nd |
Eisenack,A. A discussion of recent Hystrichospheres |
1964 |
| details |
Recent |
|
Nd |
Eisenack,A. A discussion of recent Hystrichospheres |
1964 |
| details |
Arenigian |
|
Baltic |
Eisenack,A. On the systematics of some Palaeozoic Hystrichospheres (Acritarch) from the Baltic Region. |
1969 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. Microplankton from the Kellaways rock and Oxford Clay of Yorkshire |
1961 |
| details |
Nd |
|
Nd |
Kjellstrжm,G. Ordovician microplankton (baltisphaerids) from the Grotlingbo borehole No.1 in Gotland, Sweden. |
1971 |
| original |
Silurian |
|
Baltic |
Eisenack,A. New microfossils of the Baltic Silurian and new microfossils of the Bohemian Silurian.3. |
1934 |
| original |
Silurian |
|
Czechoslovakia |
Eisenack,A. New microfossils of the Baltic Silurian and new microfossils of the Bohemian Silurian.3. |
1934 |
| original |
Silurian |
|
Czechoslovakia |
Eisenack,A. New microfossils of the Baltic Silurian and new microfossils of the Bohemian Silurian.3. |
1934 |
| original |
Silurian |
|
Czechoslovakia |
Eisenack,A. New microfossils of the Baltic Silurian and new microfossils of the Bohemian Silurian.3. |
1934 |
| details |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| details |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |