| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| 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 |