| details |
Westphalian D |
|
Kentucky |
Hower,J.C. et al. Petrography, geochemistry and palynology of the Stockton Coal B (Middle Pennsylvanian), Martin County, Kentucky |
1996 |
| details |
Westphalian A |
|
England(Gloucestershire) |
Sullivan,H.J. Miospores from the Drybrook Sandstone and associated measures in the forest of Dean Basin, Gloucestershire. |
1964 |
| details |
Visean |
Namurian A |
Tennessee |
Alpern,B. et al. Provisional report of CIMP Group No.2 on Densosporites, (Berry), emended |
1962 |
| details |
Tournaisian |
Visean |
England(Gloucestershire) |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Pennsylvanian |
|
Tennessee |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Paleozoic |
|
Nd |
Knox,E.M. The spores of Lycopodium, Phylloglossum, Selaginella and Isoetes and their value in the study of microfossils of Paleozoic age. |
1950 |
| details |
Nd |
|
France |
Coquel,R. Contribution to the knowledge of the Lower Westphalian |
1971 |
| details |
Nd |
|
Nd |
Wilson,L.R. An emendation of the palynomorph Densoporites Covensis Berry. |
1972 |
| details |
Namurian C |
Westphalian B |
Virginia |
Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. |
1996 |
| details |
Missourian |
|
Oklahoma |
Edwards,W.A. Palynology of the Francis Shale (Pennsylvanian) from near Ada, Oklahoma. |
1966 |
| details |
Mississippian |
|
Tennessee |
Wilson,L.R. Genotype of Densosporites Berry,1937. |
1959 |
| original |
Mississippian |
|
Tennessee |
Berry,W. Spores from the Pennington Coal, Rhea County, Tennessee. |
1937 |
| details |
Mississippian |
|
Tennessee |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Mississippian |
|
Tennessee |
Butterworth,M.A. et al. Densosporites Berry 1937 and related genera. |
1963 |
| details |
Mississippian |
|
Tennessee |
Butterworth,M.A. Densosporites (Berry) Potonie and Kremp, and related genera. Report of CIMP Working Group No.2 |
1964 |
| details |
Mississippian |
Pennsylvanian |
Oklahoma |
Wilson,L.R. Palynological age determination of a rock section of Ti Valley, Pittsburg County, Oklahoma. |
1965 |
| details |
Middle Carboniferous |
|
USSR(Ukrainian SSR) |
Teteryuk,V.K. Basic species of microspores of the Middle Carboniferous of the Donets Basin (Short diagnoses and ranges). |
1970 |