| original |
Eocene |
|
India(Madhya Pradesh) |
Trivedi,B.S. et al. Contributions to the knowledge of Azolla indica sp.nov. from the Deccan Intertrappean series, Madhya Pradesh, India. |
1971 |
| details |
Early Eocene |
|
Nd |
Fowler,K. Megaspores and Massulae of Azolla prisca from the Oligocene of the Isle of Wight. |
1975 |
| details |
Nd |
|
Nd |
Fowler,K. An escape mechanism for Spermatozoids in Azolla massulae. |
1975 |
| details |
Ypresian |
Lutetian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Early Eocene |
|
India(Madhya Pradesh) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Cretaceous |
|
Nd |
Ramanujam,C.G.K. et al. Remain of Azollaceae from Late Albian of Cauvery Basin and their evolutionary significance. |
1996 |