| details |
Maastrichtian |
Thanetian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Late Cretaceous |
|
North Dakota |
Bergad,R.D. et al. A Cretaceous Azolla Massula with large Glochidia |
1971 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Late Maastrichtian |
Early Paleocene |
North America |
Nichols,D.J. et al. Palynological evidence of effects of the terminal Cretaceous event on terrestrial floras in Western North America. (In: Extinction events in earth history. IGCP, Proceeding of Project 216. E.G.Kauffman and O.H.Walliser, editors) |
1990 |
| details |
Late Cretaceous |
Early Paleocene |
New Mexico |
Fleming,R.F. et al. Multivariate analyses of palynomorph data as a key to depositional environments of Upper Cretaceous and Paleogene coal-bearing rocks of the western United States. (In: Sedimentation of Organic Particles. A.Traverse, editor) |
1994 |
| details |
Cretaceous |
|
Nd |
Jain,R.K. Pre-Tertiary records of Salviniaceae. |
1971 |
| details |
Late Cretaceous |
Recent |
Nd |
Bergad,R.D. An ultrastructural comparison of walls of living and fossil Salviniaceous and Marsileaceous megaspores |
1972 |
| details |
Nd |
|
Nd |
Bergad,R.D. Ultrastructure of living and fossil Salviniaceous megaspores. |
1974 |
| details |
Cretaceous |
|
Nd |
Fowler,K. Megaspores and Massulae of Azolla prisca from the Oligocene of the Isle of Wight. |
1975 |
| details |
Cretaceous |
|
Nd |
Ramanujam,C.G.K. et al. Remain of Azollaceae from Late Albian of Cauvery Basin and their evolutionary significance. |
1996 |
| details |
Maastrichtian |
|
Montana |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Late Cretaceous |
|
Montana |
Bergad,R.D. et al. A critical study of three Cretaceous Salviniaceous megaspores. |
1971 |
| details |
Late Cretaceous |
|
Montana |
Hall,J.W. et al. A critical study of three Cretaceous Salviniaceous Magaspores |
1971 |
| details |
|
|
Montana |
Hall,J.W. Cretaceous Salviniaceae. |
1974 |
| details |
Late Cretaceous |
Early Paleocene |
Colorado |
Fleming,R.F. et al. Multivariate analyses of palynomorph data as a key to depositional environments of Upper Cretaceous and Paleogene coal-bearing rocks of the western United States. (In: Sedimentation of Organic Particles. A.Traverse, editor) |
1994 |
| details |
Late Maastrichtian |
|
Canada(Saskatchewan) |
Sweet,A.R. Palynology of the Ravenscrag and Frenchman Formation. (In: Coal Resources of Southern Saskatchewan: A model for evaluation methodology. S.H.Whitaker, J.A.Irvine and P.L.Broughton, editors) |
1978 |
| details |
Maastrichtian |
|
Canada(Saskatchewan) |
Nambudiri,E.M.V. et al. Paleobotany, palynology and depositional environmen of the Maestrichtian Whitemud Formation in Alberta and Saskatchewan, Canada. |
1991 |