| details |
Middle Ordovician |
Late Ordovician |
Ohio |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
New York |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
Ohio |
Jacobson,S.R. Biostratigraphy and paleoecology of acritarchs from Middle and Upper Ordovician rocks in the Cincinnati Region. |
1977 |
| details |
Caradocian |
|
New York |
Jacobson,S.R. Acritarch biostratigraphy of Middle and Late Ordovician Carbonate rocks of the Trenton Group, New York, and equivalent strata in the Cincinnati region. |
1977 |
| details |
Llandoverian |
Wenlockian |
England(Shropshire) |
Hill,P.J. A review of Cymbosphaeridium pilar and comparison with Multiplicisphaeridium pachymurum, sp.nov., from the Llandovery and Wenlockof Shropshire, Great Britain. |
1978 |
| details |
Middle Devonian |
Late Devonian |
Illinois |
Guennel,G.K. Devonian spores in a Middle Silurian Reef. |
1963 |
| details |
Permian |
Triassic |
Australia(W.Australia) |
Grenfell,H.R. A palaeoenvironmental analysis of the Permo - Triassic of the Bonaparte Basin, Northwest Australia, based on palynomorphs. (In: Hornibrook Symposium, extended abstracts) |
1985 |
| details |
Muschelkalk |
|
Europe |
Grenfell,H.R. Middle Triassic Muschelkalk acritarchs -some preliminary Thoug |
1989 |
| details |
Late Devonian |
Early Carboniferous |
China(Tibet) |
Gao,L. Late Devonian and Early Carboniferous acritarchs from Nyalam County, Xizang, (Tibet), China. |
1984 |
| details |
Llanvirnian |
Llandeilian |
Spain |
Fombella,M.A. et al. New palynological results from the Oville Formation at Southwest Vozmediano, Leon (northwestern Spain). (In: Commision Internationale De |
1996 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Evitt,W.R. A discussion and proposals concerning fossil dinoflagellates, Hystrichospheres, and acritarchs. II. |
1963 |
| details |
Jurassic |
|
Australia(Queensland) |
Evans,P.R. The application of palynology to stratigraphy in Australia. |
1962 |
| details |
Late Devonian |
Early Mississippian |
Ohio |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystricosphaeres and related microfossils. |
1979 |
| details |
Late Devonian |
Early Mississippian |
Ohio |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Vol.5 Acritarcha. |
1979 |
| details |
Silurian |
|
Canada(Quebec) |
Duffield,S.L. Biostratigraphy and taxonomy of Lower Silurian acritarchs from Anticosti Island,Quebec. |
1981 |
| details |
Llandoverian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Acritarch biostratigraphy of Upper Ordovician-Lower Silurian strata of Anticosti Island, Quebec and implications for intracontinental correlation. |
1981 |