| details |
Maastrichtian |
|
Texas |
Kumar,A. Palynostratigraphy and palaeoecology of the Navarro Group, (Maestrichtian), of Texas, USA. |
1979 |
| details |
Barremian |
Aptian |
Maryland |
Skog,J.E. Pelletixia amelguita, a new species of fossil fern in the Potomac Group (Lower Cretaceous). |
1982 |
| details |
Barremian |
Aptian |
Maryland |
Skog,J.E. Pelletixia amelguita, a new species of fossil fern in the Potomac Group (Lower Cretaceous). |
1982 |
| details |
Middle Albian |
|
Portugal |
M©dus,J. Palynofloristic correlations of two Albian sections of Portugal |
1982 |
| details |
Berriasian |
|
Canada(Alberta) |
Ricketts,B.D. et al. Stratigraphy, sedimentology and palynology of the Kootenay-Blairmore transition in southwestern Alberta and southeastern British Columbia. |
1986 |
| details |
Berriasian |
|
Canada(British Columbia) |
Ricketts,B.D. et al. Stratigraphy, sedimentology and palynology of the Kootenay-Blairmore transition in southwestern Alberta and southeastern British Columbia. |
1986 |
| details |
Aptian |
|
Utah |
Gupta,S. et al. Palynological age of the upper part of the Brushy Basin Member of the Morrison Formation near Blanding, southeastern Utah, USA. |
1979 |
| details |
Aptian |
Albian |
W.Germany(N.Rhine) |
Clausen,C.D. et al. Paleogeography, tectonics and karstic morphology of south and east Warstein Carbonate Platform; Warstein Anticline, Rhenish Schieferbebirge. (In: Anticlinal Arches of Krefeld and Lippstadt, Major Transverse Structures along the Ruhr Coal Basin) |
1982 |
| details |
Ryazanian |
|
Canada(NWT,Mackenzie) |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |
| details |
Late Albian |
Early Cenomanian |
Spain |
Mas,J.R. The Lower Cretaceous of Northwestern Valencia |
1981 |
| details |
Cretaceous |
|
Brazil(Pernambuco) |
de Lima,M.R. Palynology of the Santana Formation, (Cretaceous from northeast of Brazil) 1. Geological introduction and systematical descriptions of the spores from the Subtruma Azonotriletes. |
1978 |
| details |
Early Campanian |
|
Canada(Alberta) |
Sweet,A.R. et al. A distinctive terrestrial palynofloral assemblage from the Lower Campanian Chungo Member, Wapiabi Formation, southwestern Alberta; A key to regional correlations. (In: Contributions to Canadian Coal Geoscience) |
1989 |
| details |
Barremian |
Aptian |
Virginia |
Skog,J.E. The Lower Cretaceous ferns in the genus Anemia (Schizaeaceae), Potomac Group of Virginia, and relationships within the genus |
1992 |
| details |
Early Albian |
Middle Albian |
USSR |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1963 |