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Geolocation
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Author - title
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Year
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| details | Paleocene | Nd | Collinson,M.E. A new multiple-floated Azolla from the Eocene of Britian with a brief review of the genus. | 1980 | |
| details | Cretaceous | Nd | Ramanujam,C.G.K. et al. Remain of Azollaceae from Late Albian of Cauvery Basin and their evolutionary significance. | 1996 |