original |
Middle Pennsylvanian |
|
Kansas |
Bond,T.A. Palynology of the Weir-Pittsburg Coal (Pennsylvanian) of Oklahoma and Kansas. |
1963 |
original |
Late Eifelian |
Early Givetian |
Iowa |
Urban,J.B. Palynologic studies of the Devonian |
1968 |
original |
Late Santonian |
|
New Jersey |
Christopher,R.A. Normapolles and Triporate pollen assemblages from the Raritan and Magothy Formations (Upper Cretaceous), of New Jersey. |
1979 |
original |
Late Santonian |
|
Maryland |
Christopher,R.A. Cretaceous pollen. (In: Geology of the Round Bay Quadrangle, Anne Arundel County, Maryland. J.P. Minard) |
1980 |