Abstract
NEW discoveries of fossil plants, while frequently solving problems of geographical distribution, often throw up fresh problems that baffle solution. Recent work on the silicified flora of the Deccan Intertrappean Series (which with all deference to the 'official' view of the Geological Survey of India we regard as Early Tertiary and not Late Cretaceous1) has brought to light genera which are either identical or very closely related to living types now confined to parts of South America. A year ago, one of us reported the occurrence in these beds of well-preserved silicified sporocarps essentially of the Regnellidium type, which he referred to a new genus, Rodeites2, closely allied to the Brazilian water-fern R. diphyllum. We now record the occurrence in the same locality (Mohgaon Kalan, in the Central Provinces) of a new silicified member of the Cyclanthaceæ, a family now living only in tropical America. Of this family we had hitherto no definite fossil record. The leaf-impressions from the Eocene of Sézanne., which Saporta3 referred to a new genus, Ludoviopsis, may equally probably belong to palms.
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References
Sahni, B., Curr. Sci., 3, 134 (1934). Proc. 24th Ind. Sci. Cong., 464 (1937). Lucknow Univ. Studies, 2, 59 (1938). 27th Ind. Sci. Cong., Pres. Add. (1940).
Sahni, B., J. Ind. Bot. Soc., 22 (2, 3, 4), 180, pl. 9, fig. 42 (1943).
Saporta, Mém. Soc. Géol. France, 8, 338, pl. IV, figs. 1, 3 (1868).
Sahni, B., and Surange, Abs. Proc. Ind. Acad. Sci., and Nat. Acad. Sci. Hyderabad, 24 (1943).
Rode, K. P., Quart. J. Geo. Min. and Met. Soc. India, 5 (3), 111 (1933).
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SAHNI, B., SURANGE, K. A Silicified Member of the Cyclanthaceæ from the Tertiary of the Deccan. Nature 154, 114–115 (1944). https://doi.org/10.1038/154114b0
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DOI: https://doi.org/10.1038/154114b0
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