original |
Nd |
|
England(Northumberland) |
Raistrick,A. et al. The microspores of some Northumberland Coals, and their use in the correlation of coal-seams. |
1933 |
original |
Nd |
|
England(Durham) |
Raistrick,A. et al. The microspores of some Northumberland Coals, and their use in the correlation of coal-seams. |
1933 |
original |
Devonian |
|
Canada(Quebec) |
Arnold,C.A. Observations on fossil plants from the Devonian of eastern North America I. plant remains from Scaumenac Bay,Quebec |
1936 |
original |
Carboniferous |
|
Scotland(Fife) |
Knox,E.M. The microspores in some coals of the productive Coal Measures in Fife. |
1941 |
original |
Carboniferous |
|
Scotland |
Knox,E.M. Microspores in the productive Coal Measures of the Central Coalfield of Scotland |
1946 |
original |
Tertiary |
|
India(Assam) |
Sen,J. Microfossils of Assam Coal-Fields-I. The Coal Seam at Laitryngew and the age of the Cherra Sandstone. |
1948 |
original |
Late Miocene |
|
Yugoslavia |
Weyland,H. et al. Investigations of the spore and pollen floras of some Yugoslav and Greek Brown Coals |
1958 |
original |
Chesterian |
|
Oklahoma |
Wiggins,V.D. Palynomorph fossils from the Goddard Formation (Mississippian) of Southern Oklahoma |
1962 |
original |
Frasnian |
|
Belgium |
Dricot,E.M. Observations on the Frasnian acritarchs of Belgium. |
1965 |
original |
Early Chesterian |
Middle Chesterian |
Oklahoma |
Harris,R.W. Palynology of the Sand Branch Member of the Caney Shale Formation, (Mississippian), of Southern Oklahoma. |
1971 |
original |
Early Cretaceous |
|
Oklahoma |
Wingate,F.H. Palynology of the Denton Shale (Lower Cretaceous), of southeastern Oklahoma. |
1974 |