original |
Late Leonardian |
Early Guadalupian |
Utah |
Jacobson,S.R. et al. Acritarchs from the Phosphoria and Park City Formations, (Permian, northeastern Utah). |
1982 |
original |
Late Cambrian |
|
USSR(Yaroslav) |
Volkova,N.A. Middle and Upper Cambrian acritarchs in the East-European Platform |
1990 |
original |
Late Vendian |
|
USSR(Urals) |
Volkova,N.A. Acritarchs and other organic microfossils of the Vostochno-Evropeiskoi Platform. (In: The Vendian System. Historic Geological and Paleontological Basis. Paleontology. B.S.Sokolov, editor) |
1985 |
original |
Early Cambrian |
|
USSR(Russian Platform) |
Volkova,N.A. Acritarchs of the Northwestern Russian Platform. (In:Tommotsk age and problems of the Lower Cambrian) |
1969 |
original |
Late Llandoverian |
|
USSR(Estonian SSR) |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |
original |
Nd |
|
Turkey |
Sinanoglu,E. et al. Aptian-Albian palynostratigraphy of southeast Turkey and its place in the Lower Cretaceous floral provinces. |
1980 |
original |
Miocene |
|
Texas |
Ebtehadj,K. Palynology of the subsurface Frio Formation, in Liberty and Chambers Counties, Texas. |
1969 |
original |
Early Valanginian |
|
Switzerland |
Pantic,N.K. et al. Palynological research of the lowest Cretaceous of eastern Swtzerland. |
1981 |
original |
Toarcian |
Aalenian |
Sweden |
Guy-Ohlson,D. Jurassic palynology of the Vilhelmsfalt Bore No.1, Scania, Sweden, Toarcian-Aalennian. |
1986 |
original |
Middle Cambrian |
|
Spain |
Cramer,F.H. et al. Acritarchs from the Upper Middle Cambrian Oville Formation of Leon, Northwestern Spain. |
1972 |
original |
Late Ordovician |
|
Scotland(Ayr) |
Whelan,G.M. Preliminary acritarch and chitinozoan distributions across Ordovician-Silurian boundary stratotype at Dob's Linn, Scotland. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) |
1988 |
original |
Early Chesterian |
Middle Chesterian |
Oklahoma |
Harris,R.W. Palynology of the Sand Branch Member of the Caney Shale Formation, (Mississippian), of Southern Oklahoma. |
1971 |
original |
Djulfian |
Smithian |
New Zealand(S.I.) |
Crosbie,Y.M. Permian palynomorphs from the Kuriwao Group, Southland, New Zealand. |
1985 |
original |
Silurian |
|
New York |
Fisher,J.C. The Hystrichosphaerids in the Clinton Group, (Silurian), of New York State. |
1955 |
original |
Late Ludlovian |
Early Pridolian |
Libya |
Le H©riss©,A. Paleoecology, biostratigraphy and biogeography of late Silurian to early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa |
2002 |
original |
Late Arenigian |
|
Italy(Sardinia) |
Tongiorgi,M. et al. The Solanas Sandstone of Central Sadinia: New paleontological data, (acritarchs) and an attempt of geological interpretation, (A "Post-Sardinian" Molasse). |
1984 |
original |
Late Ordovician |
|
Indiana |
Colbath,G.K. Organic-walled microphytoplankton from the Eden Shale, (Upper Ordovician), Indiana, USA. |
1979 |