| details |
Callovian |
Early Kimmeridgian |
Netherlands |
Abbink,O.A. et al. Palynology-based hydrocarbon geology: Application of a Sporomorph Ecogroup Model to Callovian - Early Kimmeridgian paralic of The Netherlands. (In: Palynological Investigation in the Jurassic of the North Sea Region. O.A. Abbink) |
1998 |
| details |
Aalenian |
Early Bathonian |
North Sea |
Abbink,O.A. et al. Palynomorph ecostratigraphy of the Middle Jurassic Ness Formation (Brent Group, East Shetland Basin). (In: Palynological Investigation in the Jurassic of the North Sea Region. O.A. Abbink) |
1998 |
| details |
Jurassic |
|
North Sea |
Abbink,O.A. Taxonomic Section. (In: Palynological Investigation in the Jurassic of the North Sea Region. O.A. Abbink) |
1998 |
| details |
Early Triassic |
Middle Triassic |
Spitsbergen |
Abdullah,W.H. Organic facies variations in the Triassic shallow marine and the marine shales of Central Spitsbergen, Svalbard. |
1999 |
| details |
Devonian |
Mississippian |
Montana |
Achauer,C.W. Stratigraphy and microfossils of the Sappington Formation in Southwestern Montana |
1959 |
| details |
Devonian |
Mississippian |
Montana |
Achauer,C.W. Stratigraphy and microfossils of the Sappington Formation in Southwestern Montana |
1959 |
| details |
Devonian |
Mississippian |
Montana |
Achauer,C.W. Stratigraphy and microfossils of the Sappington Formation in Southwestern Montana |
1959 |
| details |
Devonian |
Mississippian |
Montana |
Achauer,C.W. Stratigraphy and microfossils of the Sappington Formation in Southwestern Montana |
1959 |
| original |
Late Scythian |
|
Libya |
Adloff,M.C. et al. Trias of Tripolitania (Libya) new biostratigraphic and palynological data. Part two. |
1986 |
| details |
Late Rhaetian |
Early Toarcian |
Celtic Sea |
Ainsworth,N.R. et al. Biostratigraphy of the Lower Cretaceous, Jurassic, and Uppermost Triassic of the North Celtic Sea and Fastnet Basins. (In: Petroleum Geology of North West Europe. J.J.Brooks and K.W.Glennie, editors) |
1987 |
| details |
Late Toarcian |
Bajocian |
Celtic Sea |
Ainsworth,N.R. et al. Jurassic and Upper Triassic biostratigraphy of the North Celtic Sea and Fastnet Basins. (In:Northwest European Micropalaeontology and Palynology.D.J. Batten and M.C. Keen, editors) |
1989 |
| details |
Ludlovian |
Early Downtonian |
Libya |
Al-Ameri,T.K. Acid resistant microfossils used in the determination of Paleozoic palaeoenvironments in Libya. |
1983 |
| details |
Early Devonian |
|
Arabian Pen.States |
Al-Laboun,A.A. et al. The Devonian of the Arabian Peninsula. (In: Devonian of the World: Regional Synthesis. N.J.McMillian et al, editors) |
1988 |
| details |
Frasnian |
|
W.Germany(N.Rhine) |
Amirie,G.H.B. Phytoplankton of the Frasnian of Bergisch Syncline of the North Rhineland |
1984 |
| details |
Emsian |
Frasnian |
Ghana |
Anan-Yorke,R. Devonian chitinozoa and acritarcha from exploratory oil wells on the shelf and coastal region of Ghana, West Africa. |
1974 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Andreeva-Grigorovich,A.S. et al. On the boundary of Eocene and Oligocene of the Scale zone of the Ukrainian Carpathians according to paleofloristic data. |
1985 |
| details |
Cambrian |
|
Romania |
Anonymous Biostratigraphic Schemes |
1981 |