| details |
Cretaceous |
|
Nd |
Sarjeant,W.A.S. Xanthidia, Palinospheres and "Hystrix": A review of the study of fossil unicellular microplankton with organic cell walls. |
1970 |
| details |
Nd |
|
Nd |
Jux,U. On the fine structure of the walls of Tasmanites Newton. |
1968 |
| details |
Nd |
|
Nd |
M¤dler,K.A. Hystrichophyta and acritarchs |
1967 |
| details |
Early Paleozoic |
|
USSR |
Volkova,N.A. Nature and classification of microfossils of plant origin from Precambrian and Lower Paleozoic. |
1965 |
| details |
Liassic |
|
W.Germany(Niedersachsen) |
M¤dler,K.A. Organic microstructures of the Posidonia Shale. |
1963 |
| details |
Nd |
|
Nd |
Evitt,W.R. A discussion and proposals concerning fossil dinoflagellates, Hystrichospheres, and acritarchs. II. |
1963 |
| details |
Nd |
|
Nd |
Evitt,W.R. Observations on the morphology of fossil dinoflagellates. |
1961 |
| original |
Late Senonian |
Danian |
Denmark |
Wetzel,O. Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) |
1933 |