| details |
Namurian C |
Westphalian B |
Virginia |
Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. |
1996 |
| details |
Tournaisian |
Visean |
England(Gloucestershire) |
Butterworth,M.A. The distribution of Densospores. |
1966 |
| details |
Mississippian |
Pennsylvanian |
Oklahoma |
Wilson,L.R. Palynological age determination of a rock section of Ti Valley, Pittsburg County, Oklahoma. |
1965 |
| details |
Visean |
Namurian A |
Tennessee |
Alpern,B. et al. Provisional report of CIMP Group No.2 on Densosporites, (Berry), emended |
1962 |
| details |
Early Chesterian |
Middle Chesterian |
Oklahoma |
Harris,R.W. Palynology of the Sand Branch Member of the Caney Shale Formation, (Mississippian), of Southern Oklahoma. |
1971 |
| details |
Late Chesterian |
|
Kentucky |
Ettensohn,F.R. et al. Palynology and biostratigraphy of Pennington Shales and Coals (Chesterian) at selected sites in northeastern Kentucky. |
1979 |
| details |
Early Pennsylvanian |
|
Ohio |
Kosanke,R.M. Palynology of selected Coal Beds in the proposed Pennsylvanian system stratotype in West Virginia |
1984 |
| details |
Early Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Palynological studies of Lower Pennsylvanian Coal Beds and adjacent strata of the proposed Pennsylvanian System stratotype in Virginia and West Virginia. |
1988 |
| details |
Early Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Palynological studies of Lower Pennsylvanian Coal Beds and adjacent strata of the proposed Pennsylvanian System stratotype in Virginia and West Virginia. |
1988 |
| details |
Carboniferous |
|
Tennessee |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Pennsylvanian |
|
Tennessee |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Mississippian |
|
Tennessee |
Wilson,L.R. Genotype of Densosporites Berry,1937. |
1959 |
| 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 |
Late Visean |
|
England(Gloucestershire) |
Sullivan,H.J. Miospores from the Drybrook Sandstone and associated measures in the forest of Dean Basin, Gloucestershire. |
1964 |
| 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 |