details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
details |
Stephanian |
|
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
details |
Westphalian B |
Westphalian C |
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
details |
Westphalian B |
Stephanian |
Spain |
Dijkstra,S.J. Spanish Carboniferous megaspores and their use in stratigraphic correlation. |
1955 |
details |
Danian |
|
South Carolina |
Hargrove,D.C. et al. Palynology of the Maestrichtian/Danian boundary at Savannah River Site, South Carolina. |
1997 |
original |
Westphalian A |
Westphalian B |
Scotland(Ayr) |
Sen,J. The megaspores of the Ayrshire Coalfield and their stratigraphic value. |
1964 |
details |
Late Hettangian |
|
Poland |
Znosko,J. Rhaetic and Lias between Cracow and Wielun. |
1955 |
details |
Early Sinemurian |
|
Poland |
Znosko,J. Rhaetic and Lias between Cracow and Wielun. |
1955 |
details |
Atokan |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
details |
Quaternary |
|
Oklahoma |
Hemish,L.A. et al. Buried Peat deposit, Okmulgee County, Oklahoma |
1995 |
details |
Westphalian A |
Stephanian |
Ohio |
Pryor,J.S. The Upper Pennsylvanian Duquesne Coal of Ohio (USA): Evidence for a dynamic peat-accumulating swamp community. |
1996 |
details |
Paleocene |
|
North Dakota |
Kroeger,T.J. et al. Paleoenvironmental distribution of Paleocene palynomorph assemblages from brachish water deposits in the Ludlow, Slope and Cannonball Formations, southwestern North Dakota. |
1997 |
details |
Westphalian C |
Westphalian D |
Netherlands |
Dijkstra,S.J. The megaspores of the Westphalian D and C. |
1955 |
details |
Westphalian B |
|
Netherlands |
Dijkstra,S.J. Correlation of Coal Seams by megaspores |
1955 |
details |
Paleozoic |
|
Nd |
Taylor,T.N. Pollen and pollen organ evolution in early seed plants. |
1981 |