| original |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| original |
Desmoinesian |
|
Illinois |
Peppers,R.A. Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. |
1970 |
| original |
Late Triassic |
|
Argentina(Mendoza) |
Yrigoyen,M.R. et al. Palynology as an element of correlation of the Triassic of the Cuyo Basin. |
1969 |
| original |
Missourian |
|
Oklahoma |
Edwards,W.A. Palynology of the Francis Shale (Pennsylvanian) from near Ada, Oklahoma. |
1966 |
| original |
Early Triassic |
|
India(West Bengal) |
Shrivastava,R.N. et al. Palynological study of Borehole RO1(B), Ondal, West Bengal. |
1962 |
| original |
Cenomanian |
Coniacian |
Wyoming |
Upshaw,C.F. Palynology of the Frontier Formation, northwestern Wind River Basin, Wyoming. |
1959 |