| details |
Late Devonian |
|
Canada(Alberta) |
Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. |
1963 |
| details |
Late Devonian |
|
Canada(Alberta) |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| original |
Middle Kinderhookian |
|
Missouri |
Brown,D.D. Palynology of the Hannibal Formation, (Lower Mississippian), of northeast Missouri and western Illinois. |
1969 |
| original |
Middle Kinderhookian |
|
Illinois |
Brown,D.D. Palynology of the Hannibal Formation, (Lower Mississippian), of northeast Missouri and western Illinois. |
1969 |
| details |
Middle Gothlandian |
Devonian |
Canada(Ontario) |
Legall,F.D. et al. Thermal maturation, burial history and hotspot development, Paleozoic strata of Southern Ontario-Quebec, from conodont and acritarch colour alteration studies |
1981 |
| details |
Ludlovian |
Early Downtonian |
Libya |
Al-Ameri,T.K. Acid resistant microfossils used in the determination of Paleozoic palaeoenvironments in Libya. |
1983 |
| details |
Late Cambrian |
Llanvirnian |
France(Lot-et-Garonne) |
Baudelot,S. et al. Paleozoic basins hidden under the Aquitaine: Micropaleontological study of core collected during petroleum investigations. (In: Program of deep geology of France first phase of investigation-1983-1984) |
1984 |
| details |
Llandoverian |
|
China(Szechwan) |
Fang,X. et al. Silurian microflora and chitinozoa in Guanyinqiao Qijiang County Sichuan Province and their stratigraphic significance |
1988 |
| details |
Late Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |