| details |
Turonian |
|
USSR(Primorsk Kray) |
Petrosyants,M.A. Spore and pollen assemblages of marine and Continental deposits of the Turonian in northern Priaralsk. |
1976 |
| details |
Thanetian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Paleocene |
|
North Dakota |
Melchior,R.C. et al. Some megaspores and other small fossils from the Wannagan Creek Site, (Paleocene), North Dakota. |
1983 |
| details |
Paleocene |
|
North Dakota |
Melchior,R.C. et al. Geological observations of the occurrence of some Paleocene megaspores and Allied forms |
1983 |
| details |
Paleocene |
|
Montana |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Paleocene |
|
Montana |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Morphological reassessment of some zonate coronate megaspore genera of mainly post-Palaeozoic age. |
1993 |
| details |
Nd |
|
Nd |
Srivastava,G.K. et al. Megaspores of some Indian species of Isoetes L. and comparable living and fossil forms |
1995 |
| details |
Nd |
|
Nd |
Collinson,M.E. Diversification of modern Heterosporous Pteridophytes. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Maastrichtian |
Danian |
Wyoming |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Maastrichtian |
Danian |
Montana |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Maastrichtian |
|
Canada(Alberta) |
Nambudiri,E.M.V. et al. Paleobotany, palynology and depositional environmen of the Maestrichtian Whitemud Formation in Alberta and Saskatchewan, Canada. |
1991 |
| 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 |
| details |
Late Paleocene |
|
England(Kent) |
Collinson,M.E. et al. Palaeozoic, Mesozoic and contemporaneous megaspores from the Tertiary of Southern England: Indicators of sedimentary provenace and ancient vegetation. |
1985 |