| details |
Llanvirnian |
Caradocian |
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| 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 |
|
Ohio |
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 |
Hettangian |
Bathonian |
USSR(Siberia) |
Ilyina,V.I. Jurassic palynology of Siberia |
1985 |
| details |
Tertiary |
|
Australia(Queensland) |
Hutton,A.C. The lacustrine Condor Oil-Shale sequence. (In: Lacustrine Petroleum source rocks. A.J.Fleet et al, editors) |
1988 |
| details |
Tremadocian |
|
Wales |
Holland,C.H. et al. Evolving life of the developing Caledonides. (In: The Caledonides of the British Isles - Review. A.L.Harris, C.H.Holland and B.E.Leake, editors) |
1979 |
| details |
Quaternary |
|
Denmark |
Hansen,J.M. Palynology of some Danish Glacial sediments. |
1980 |
| 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 |
Paleogene |
Neogene |
Poland |
Grabowska,I. Flora of the Palaeogene and the Neogene. (In: Catalogue of Fossil. Part 3A. Cainozoic, Tertiary. J.Czerminski, editor) |
1977 |
| details |
Ordovician |
|
India(Karnataka) |
Gowda,S.S. et al. "Lamellibranchs, etc" of Sampat Iyengar from the Dharwar Group of Chitradurga District, Karnatak, India. |
1978 |
| details |
Tremadocian |
|
USSR(Latvian SSR) |
Fridriksone,A.I. et al. Finds of Upper Cambrian acritarchs in Latvia. |
1993 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Cambrian |
Devonian |
Nd |
Evitt,W.R. Observations on the morphology of fossil dinoflagellates. |
1961 |
| details |
Ordovician |
|
Nd |
Eisenack,A. Hystricosphaeres |
1963 |
| details |
Nd |
|
Nd |
Eisenack,A. The microfauna of the Ostseekalke. 1. Chitinozoa, Hystrichosphaeres. |
1965 |
| details |
Devonian |
|
Poland |
Eisenack,A. Some plant finds in secondary deposits and some comments on the Hystrichosphere problem. |
1944 |
| original |
Early Gothlandian |
|
USSR(Baltic) |
Eisenack,A. Hystrichospheres and related forms in the Baltic Silurian. |
1938 |