| details |
Maastrichtian |
Danian |
Wyoming |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |
| details |
Late Paleocene |
|
Wyoming |
Pocknall,D.T. et al. Palynology of Coal zones of the Tougue River Member (Upper Paleocene) of the Fort Union Formation, Powder River Basin, Montana and Wyoming |
1996 |
| details |
Thanetian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| 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 |
Early Cenozoic |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| 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 |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Late Montian |
|
Netherlands |
Batten;D.J. et al. Revision of species of Minerisporites, Azolla and associated plant microfossils from deposits of the Upper Palaeocene and Palaeocene/Eocene transition in the Netherlands, Belgium and the USA. |
2001 |
| 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 |
Paleocene |
|
Montana |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Early Tertiary |
|
Montana |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Maastrichtian |
Danian |
Montana |
Tschudy,R.H. Stratigraphic distribution of species of the megaspore genus Minerisporites in North America. |
1976 |