| details |
Eocene |
|
India(Madhya Pradesh) |
Mahabale,T.S. Trends of specialization in the sporocarp and spores in the living and fossil Marsileaceae |
1957 |
| details |
Tertiary |
|
India(Madhya Pradesh) |
Surange,K.R. Indian fossil Pteridophytes. |
1966 |
| details |
Cenomanian |
Priabonian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Eocene |
|
India(Madhya Pradesh) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Eocene |
|
India |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Santonian |
|
Georgia |
Lupia,R. et al. Marsileaceae sporocarps and spores from the Late Cretaceous of Georgia |
2000 |