original |
Middle Kinderhookian |
|
Illinois |
Brown,D.D. Palynology of the Hannibal Formation, (Lower Mississippian), of northeast Missouri and western Illinois. |
1969 |
original |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |
original |
Late Devonian |
|
Brazil(Maranhao) |
Brito,I.M. A contribution to the knowledge of Silurian and Devonian microfossils from the Maranhao Basin.5. acritarchs Herkomorphitae Nd Prismatomorphitae |
1971 |
original |
Virgilian |
|
Kansas |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
original |
Ludlovian |
Couvinian |
Bolivia |
Kimyai,A. Paleozoic Microphyloplankton from South America |
1983 |
original |
Famennian |
|
China(Tibet) |
Lu,L.-C. et al. Upper Devonian acritarchs and spores from the Hongguleleng Formation, Hefeng District in Xinjiang, China. |
1988 |
original |
Emsian |
Eifelian |
Georgia |
Ravn,R.L. et al. Devonian miospores and reworked acritarchs from southeastern Georgia, USA. |
1988 |
original |
Middle Frasnian |
|
France(Boulonnais) |
Le H©riss©,A. et al. Acritarches and Prasinophyte (Late Givetian-Middle Frasnian) of Ferques (Boulonnais, France). (In: The Devonian of Ferques Lower Boulonnais, (Northern France). D.Brice, editor) |
1988 |
original |
Quaternary |
|
Netherlands |
Meer,J.J.M.Van Der et al. A Silurian-Devonian acritarch flora from Saalian Till in the Netherlands |
1992 |
details |
Early Tastubian |
Late Asselian |
Antarctica |
Lindstrжm,S. Palynology of Permian shale, clay and sandstone clasts from the Basen till in northern Vestfjella, Dronning Maud Land |
2005 |