| original |
Late Senonian |
Danian |
Germany |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| original |
Late Senonian |
Danian |
Denmark |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| original |
Late Senonian |
Danian |
Sweden |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |
| details |
Cretaceous |
|
Baltic |
Deflandre,G. Microfossils from Cretaceous Flints.Second Part |
1937 |
| details |
Late Senonian |
Danian |
Baltic |
Deflandre,G. Systematics of the Hystrichospheres: With the acceptance of the Cymatiosphaera O.Wetzel. |
1954 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Late Senonian |
Danian |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |