details |
Late Cambrian |
Early Ordovician |
China(Kirin) |
Yin,L.-M. Acritarchs. (In: Study on Cambrian-Ordovician boundary strata and its biota in Dayangcha, Hunjiang, Jilin, China. J.-Y. Chen, editors) |
1985 |
details |
Ordovician |
Silurian |
China(Tibet) |
Xing,Y. A discovery of micropalaeophyta, chitinozoa and scolecodonts from Ordovician and Silurian in Keping, Xinjiang. |
1986 |
details |
Precambriam |
|
USSR |
Yankauskas,T.V. et al. Fifth All-Union Colloquium on Precambrian microfossils of the USSR |
1987 |
details |
Early Ordovician |
|
Pennsylvania |
Moy,C.J. Additional information from the acritarch assemblage of the Bellefonte Dolomite Formation, Central Pennsylvania |
1988 |
details |
Westphalian D |
Stephanian |
Algeria |
Kmiecik,H. Palynological investigations of Carboniferous in the Abadla Basin, southwest Oran, Algeria. |
1988 |
details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
details |
Late Riphean |
Early Vendian |
Northern Hemisphere |
Martin,F. Acritarchs: A review |
1993 |
details |
Nd |
|
Nd |
Colbath,G.K. et al. Review of biological affinities of Paleozoic acid-resistant, organic walled eukaryotic algal microfossils, (including acritarchs). |
1995 |
details |
Nd |
|
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Nd |
|
Nd |
Knoll,A.H. Archean and Proterozoic paleontology. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Nd |
|
Nd |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Late Riphean |
|
Canada(NWT,Franklin) |
Butterfield,N.J. Diverse organic walled fossils, including "possible dinoflagella" from the Early Neoproterozoic of Arctic Canada. |
1998 |
details |
Riphean |
|
Russia(Urals) |
Veis,A.F. et al. Age transformation in the facies-ecological structure of Precambrian biotas and stratigraphy of the Riphean. |
1998 |
details |
Riphean |
|
Russia(Siberia) |
Veis,A.F. et al. Age transformation in the facies-ecological structure of Precambrian biotas and stratigraphy of the Riphean. |
1998 |