| details |
Westphalian |
|
Germany |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Middle Pennsylvanian |
|
Oklahoma |
Higgins,M.J. Stratigraphic position of the Coal Seam near Porter, Wagoner County, Oklahoma. |
1961 |
| original |
Desmoinesian |
|
Oklahoma |
Davis,P.N. Palynology of the Rowe Coal (Pennsylvanian) of Oklahoma |
1961 |
| details |
Late Westphalian B |
|
Germany |
Smith,A.H.V. et al. Verrucosisporites (Ibraham) emended, Second Report to CIMP. |
1962 |
| details |
Nd |
|
Nd |
Smith,A.H.V. et al. Genus Verrucosisporites (Ibrahim) Smith and Butterworth. |
1964 |
| details |
Nd |
|
Nd |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |