| original |
Zechstein |
|
W.Germany(Hesse) |
Schaarschmidt,F. Spores and Hystrichosphaerids from the Zechstein of Budingen, Wetterau. |
1963 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Late Permian |
|
Germany |
Norris,G. et al. A descriptive index of genera of fossil Dinophyceae and acritarcha. |
1965 |
| details |
Late Permian |
|
W.Germany |
Sheshegova,L.I. The acritarchs of the Paleozoic. |
1971 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Roadian |
|
Poland |
Sliwinski,W. Proposed revision of the stratigraphic position of the Chelmsko Slaskie Beds, (Permian, Intra-Sudetic Basin). |
1984 |
| details |
Late Permian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Permian |
|
Germany |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |