original |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |
original |
Tertiary |
|
Alaska(North Slope) |
Dutcher,R.R. et al. Petrography and palynology of certain Coals of the Arctic Slope of Alaska |
1957 |
original |
Middle Devonian |
|
Algeria |
Doubinger,J. Discovery of new micro-organisms in the Middle Devonian of the Sahara. |
1966 |
original |
Westphalian A |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
original |
Westphalian A |
Westphalian C |
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
original |
Westphalian A |
|
Netherlands |
Dijkstra,S.J. et al. A monographic revision of Carboniferous megaspores with special consideration to South Limburg, (Netherlands). |
1946 |
original |
Late Cretaceous |
Early Eocene |
India(Assam) |
Bose,M.N. et al. Fossil plant remains from Laitryngew, Assam. |
1964 |
original |
Anisian |
|
Romania |
Antonescu,E. Study of the Anisian microflora from the Cristian Valley (Brasov). |
1970 |