| details |
Early Triassic |
|
USSR(Krasnoyarsk Kray) |
Yaroshenko,O.P. Spore and pollen complexes and the age of Tufogene deposits from the Tungussky Basin |
1967 |
| details |
Scythian |
|
Germany |
Tappan,H. et al. Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary) |
1973 |
| details |
Scythian |
|
Australia |
Tappan,H. et al. Smaller protistan evidence and explanation of the Permian-Triassic crisis. (In: The Permian and Triassic systems and their mutual boundary) |
1973 |
| details |
Nd |
|
Nd |
Staplin,F.L. et al. Evaluation of some acritarchous Hystrichosphere genera. |
1965 |
| details |
Nd |
|
Nd |
Stancliffe,R.P.W. et al. The acritarch genus Veryhachium Deunff,1954, emend., Sarjeant and Stancliffe,1994: A taxonomic restudy and a reassessment of its constituent species. |
1994 |
| details |
Ordovician |
|
Nd |
Servais,T. An annotated bibliographical review of Ordovician acritarchs |
1997 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. Recent developments in the application of fossilised planktonic organisms to problems of stratigraphy and Palaeoecoogy. |
1970 |
| details |
Devonian |
Carboniferous |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
Permian |
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Early Carboniferous |
|
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| original |
Scythian |
Anisian |
Canada(Alberta) |
Jansonius,J. Palynology of Permian and Triassic sediments, Peace River area, Western Canada. |
1962 |
| details |
Neocomian |
Aptian |
Australia(W.Australia) |
Ingram,B.S. Palynology of the Otorowiri Siltstone Member, Yarragadee Formation. |
1967 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Deflandre,G. et al. Critical remarks on the genus Micrhystridium, Deflandre. |
1965 |
| details |
Nd |
|
Nd |
Deflandre,G. et al. Notes on the acritarchs. |
1963 |