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Subterraniphyllum thomasii Elliott, Fossil Calcareous Alga the Evolutionary Link between Geniculate and Nongeniculate Coralline Algae: A Hypothesis

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DOI: 10.4236/ojg.2011.13006    4,343 Downloads   8,984 Views   Citations

ABSTRACT

The Neogene sediments exposed in the Saurashtra region along the southwest coast India, consists of well preserved diversified coralline algae [1-5].The Subterraniphyllum thomasii Elliott, a fossil Calcareous alga has been reported from the Dwarka Formation (Lower to Middle Miocene) from Porbandar area, Saurashtara, Indian subcontinent. This is the first report of Subterraniphyllum thomasii Elliott from Lower-Middle Miocene sediments from the Indian subcontinent; however it has been documented earlier from Late Lutetian sediments of Kuchchh Basin, India. There is a controversy regarding the generic placement of the extinct species Subterraniphyllum thomasii Elliott as distinct genus of the geniculate coralline algae or not i.e. nongeniculate coralline algae [6,7]. However, the present specimens of Subterraniphyllum thomasii Elliott exhibit pinpointing features of both geniculate and nongeniculate coralline algae. Finally on the basis of our observations, we hypothesis that Subterraniphyllum thomasii Elliott may be transitional species and evolutionary link between geniculate and nongeniculate coralline algae.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Mude and P. Kundal, "Subterraniphyllum thomasii Elliott, Fossil Calcareous Alga the Evolutionary Link between Geniculate and Nongeniculate Coralline Algae: A Hypothesis," Open Journal of Geology, Vol. 1 No. 3, 2011, pp. 51-55. doi: 10.4236/ojg.2011.13006.

References

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