details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 1.) |
1933 |
details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 1.) |
1933 |
details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 1.) |
1933 |
details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 1.) |
1933 |
details |
Nd |
|
Nd |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 1.) |
1933 |
details |
Nd |
|
Nd |
Loeblich,A.R.,Jr. et al. Index to the genera, subgenera, and sections of the Pyrrhophyta. |
1966 |