Abstract
IN a recent paper entitled “Evidence for the Existence of Vascular Land Plants in the Cambrian”, by K. Jacob, (Mrs.) Chinna Jacob and R. N. Shrivastava, to be published shortly in Current Science, we have recorded a few spores and fragments of tracheids of vascular land plants from authentic samples of the Neobolus Shales of the Salt Range, the Middle and Upper Cambrian of Kashmir and the Cambrian of Spiti. Some of the spores described there are provided with bladders and in others they are absent, the latter in some cases showing body ornamentation. In this preliminary note we have tentatively referred these spores to the Pteridophyta and the Pteridospermæ; it is possible that some may even belong to the primitive Gymnospermæ.
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JACOB, K., JACOB, C. & SHRIVASTAVA, R. Spores and Tracheids of Vascular Plants from the Vindhyan System, India: the Advent of Vascular Plants. Nature 172, 166–167 (1953). https://doi.org/10.1038/172166a0
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DOI: https://doi.org/10.1038/172166a0
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