details |
Late Namurian |
Westphalian A |
Iowa |
Ravn,R.L. et al. A Morrowan, (Upper Carboniferous), miospore flora from eastern Iowa, USA. |
1982 |
details |
Early Visean |
|
USSR(Ukrainian SSR) |
Raznitsyn,V.A. Lower Visean of Dnieper-Donets Basin |
1983 |
details |
Devonian |
|
USSR(Ukrainian SSR) |
Aseeva,E.A. et al. The palynological basis for the Paleozoic age of certain sections of the Ukrainiane dated as Early Precambrian. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
details |
Permian |
|
Pakistan |
Masood,K.R. et al. Amendment of the genus Godavarisporites (Tiwari and Moiz), and some miospore species from the Permian sediments of the Salt-Range, Pakistan. |
1983 |
details |
Tournaisian |
Visean |
USSR(Russian Platform) |
Byvsheva,T.V. Spores of the Tournaisian and Visean deposits around the Russian Platform. (In: Atlas of Spores and Pollen of Oil and Gas Bearing Deposits of the Russian and Turonskoi Platform. V.V.Menner and T.V.Byvsheva, editors) |
1985 |
details |
Morrowan |
Desmoinesian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
details |
Artinskian |
|
Pakistan |
Masood,K.R. et al. Late Palaeozoic palynofloras from the Middle Gondwana of Pakistan |
1988 |
details |
Middle Carboniferous |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
details |
Middle Pennsylvanian |
|
Illinois |
Willard,D.A. Vegetational patterns in the Springfield Coal (Middle Pennsylvanian, Illinois Basin): Comparison of miospore and coal-ball record. (In: Modern and Ancient Coal Forming Environments. J.C.Cobb and C.B.Cecil, editors) |
1993 |
details |
Namurian C |
Westphalian B |
Virginia |
Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. |
1996 |