| details |
Berriasian |
Valanginian |
Romania |
Luta,S. Mesozoic sporo-pollen association in the drillings at Sirinia (Banat). |
1968 |
| details |
Bajocian |
|
|
Gonzales-Amicon,O.R. et al. Palynological data from the Bajocian (Cura Niyeu Formation), of the Sierra de Chacai County, Neuqu©n Basin, Argentina. |
1981 |
| details |
Bajocian |
|
|
Quattrocchio,M.E. et al. Palynological data of the Middle Jurassic (Bajocian), of Loan Mahuida, Neuqu©n Province, . |
1982 |
| details |
Asselian |
|
USSR(Pre-Urals) |
Faddeeva,I.Z. Palynological characteristics of stratotypic sections through Permian Stages. |
1974 |
| details |
Ashgillian |
Llandoverian |
USA(Eastern) |
Colbath,G.K. Abrupt terminal Ordovician extinction in phytoplankton associations, Southern Appalachians. |
1986 |
| original |
Ashgillian |
|
USSR(Baltic) |
Eisenack,A. Tasmanites, Newton,1875, and Leiosphaeridia, nov.gen., as genera of the Hystrichosphaerideae. |
1958 |
| details |
Artinskian |
|
India(Madhya Pradesh) |
Srivastava,S.C. et al. Palynological succession of the Lower Gondwana sediments in Umaria Coalfield, Madhya Pradesh, India. |
1984 |
| details |
Artinskian |
|
India(Madhya Pradesh) |
Anand-Prakash et al. Miofloral studies of the Lower Gondwana sediments in Johilla Coalfield, Madhya Pradesh, India. |
1984 |
| details |
Artinskian |
|
USSR(Urals) |
Dyupina,G.V. New species of acritarchs in Permian deposits of the Urals. (In: New Miospores, Foraminifera, Ostracods and conodonts of the Paleozoic and Mesozoic of the Urals. Collected Articles on the Problems of Stratigraphy.#24. N.P.Malachova and B.I.Chuvashev, editors) |
1975 |
| details |
Artinskian |
|
India(Arunachal Pradesh) |
Srivastava,S.C. et al. Permian palynofossils from the eastern Himalaya and their genetic relationship. (In: Concepts, limits and extension of the Indian Gondwana. B.S.Venkatachala and H.K.Maheshwari, editors) |
1988 |
| details |
Arenigian |
Llanvirnian |
France(Pas-de-Calais) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Aptian |
Early Albian |
Argentina(San Luis) |
PrЎmparo,M.B. Palynostratigraphy of the Lower Cretaceous of the San Luis Basin, Argentina. Its place in the Lower Cretaceous floral provinces pattern |
1990 |
| details |
Acadian |
Late Ordovician |
Czechoslovakia |
VavrdovЎ,M. Phytoplankton communities of Cambrian and Ordovician age of Central Bohemia |
1982 |