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Geolocation
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Author - title
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Year
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| details | Cretaceous | Nd | Jain,R.K. Pre-Tertiary records of Salviniaceae. | 1971 | |
| 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 | Montana | Hall,J.W. Cretaceous Salviniaceae. | 1974 |