| original |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
1955 |
| details |
Artinskian |
Early Kungurian |
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Early Permian |
|
USSR(Ukrainian SSR) |
Sergeyeva,L.A. et al. Establishment of the age of the Paleozoic Salts in the South-Eastern Part of the Dnieper-Donets Depression according to the spore-pollen analysis. |
1964 |
| details |
Artinskian |
|
USSR(Permsk Oblast) |
Efremova,G.D. Results of palynological study of Permian deposits of Permian Prikamia). (In: Spore-pollen Complexes and Stratigraphy of the Upper Proterozoic, Paleozoic and Mesozoic of the Volga-Uragarea and Central Asia. A.B.Filimonova and A.D.Archangelskaya, editors) |
1963 |
| details |
Kazanian |
|
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Artinskian |
|
USSR(Kazakh SSR) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Artinskian |
|
USSR(Urals) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Early Carboniferous |
|
USSR(Caucasus) |
Grekov,I.I. et al. More facts about the age of the Amanchat Suite, (Northern Caucasus). |
1965 |