| details |
Silurian |
|
Baltic |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Paleozoic |
|
Baltic |
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 |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Eisenack,A. Tasmanites, Newton,1875, and Leiosphaeridia, nov.gen., as genera of the Hystrichosphaerideae. |
1958 |
| details |
Devonian |
|
Nd |
Kr¤usel,R. Dawson's "sporocarps", a new class of Devonian Thallophytes. |
1941 |
| details |
Nd |
|
Nd |
Eisenack,A. Hystrichospheres and related forms in the Baltic Silurian. |
1938 |
| original |
Llandeilian |
|
Baltic |
Eisenack,A. New Mikrofossils of the Baltic Silurian.1. |
1931 |