| details |
Early Cretaceous |
|
Canada(Alberta) |
McIntyre,D.J. Palynology. (In: Stratigraphy, Sedimentology, Coal Geology and Depositional environmentsw of the Lower Cretaceous Gething Formation, Northeastern British Columbia and West Central Alberta. D.W.Gibson) |
1992 |
| details |
Aptian |
|
Colombia |
PrŠ¶ssl,K.F. et al. The Yavi Formation (Lower Cretaceous), Upper Magdalena Valley Colombia; An integrated sedimentological and palynological study. |
1993 |
| details |
Aalenian |
Bathonian |
Europe |
Boulter,M.C. et al. A reconstruction of some Middle Jurassic vegetation in northern Europe. (In: Studies in Palaeobotany and Palynology in Honour of Professor W.G.Chaloner, F.R.S. M.E.Collinson and A.C.Scott, editors) |
1993 |
| details |
Late Aptian |
|
Colombia |
Streinesberger,L.V. et al. Dating the Yavi Formation (Aptian, Upper Magdalena Valley, Colombia), palynological results. |
1994 |
| details |
Early Santonian |
|
Spain |
Kedves,M. Plant microfossils from the Upper Cretaceous and Lower Tertiary Layers of northern Spain I |
1994 |
| details |
Middle Cenomanian |
|
Iowa |
Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. |
1995 |
| details |
Kimmeridgian |
Early Berriasian |
Egypt |
Ibrahim,M.I.A. et al. Palynological studies on the Late Jurassic-Early Cretaceous of Kahraman-1 Well, northern Western Desert, Egypt |
1996 |
| details |
Middle Jurassic |
|
Canada(Saskatchewan) |
White,J.M. et al. Palynological evidence for Jurassic and Triassic(?) ages of the Upper Watrous and Lower Gravelbourg Formations, southern Saskatchewan. |
2002 |