original |
Tertiary |
|
Alaska(North Slope) |
Dutcher,R.R. et al. Petrography and palynology of certain Coals of the Arctic Slope of Alaska |
1957 |
original |
Late Neogene |
|
California |
Ingebrigtsen,D.M. Palynology and its application to the Pliocene series in the Los Angeles Basin. |
1957 |
original |
Sakmarian |
|
India(Bihar) |
Surange,K.R. et al. Studies in the Glossopteris flora of India.3, plant fossils from the Talchir Needle Shales from Giridih Coalfield. |
1956 |
original |
Eocene |
|
Venezuela |
Norem,W.L. Pollen, spores, and other organic microfossils from the Eocene of Venezuela. |
1955 |
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 |
Paleozoic |
|
USSR(Khakass A.O.) |
Ergalskaya,Z. Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. |
1930 |