| details |
Silurian |
|
Germany |
Eisenack,A. Additional information on the Melanoskleritoid problem. |
1950 |
| details |
Silurian |
|
Germany |
Eisenack,A. Additional information on the Melanoskleritoid problem. |
1950 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. The microfossils of Osteekalke (Ordovician) 3. Graptolite, Melanoskelton, Sponge, Radiolarian, problematic and Supplements on Foraminifera and phytoplankton |
1971 |
| details |
Ordovician |
|
Baltic |
Eisenack,A. The microfossils of Osteekalke (Ordovician) 3. Graptolite, Melanoskelton, Sponge, Radiolarian, problematic and Supplements on Foraminifera and phytoplankton |
1971 |
| details |
Ordovician |
|
W.Germany(Niedersachsen) |
Schallreuter,R. Microfossils of Gesehieben. Part 1: Melanoskeleton. |
1981 |