1. Adegoke, O.S., Jan Du Chene, R.E., Agumanu, A.E. and Ajayi, P.O. (1978) Paleontology and age of the Kerri-Kerri formation, Nigeria. Rev. Espanola Micro. Paleontol., v.2, pp.267–283.
2. Agrawal, S., Verma, P., Rao, M.R., Garg, R., Kapur, V.V. and Bajpai, S. (2017) Lignite deposits of the Kutch Basin, western India: Carbon isotopic and palynological signatures of the early Eocene hyperthermal event ETM2. Jour. Asian Earth Sci., v.146, pp. 296–303.
3. Awasthi, N. (1977) Revsion of Hopeoxylon indicum Navale and Shoreoxylon speciosum Navale from the Cuddalore Series near Pondicherry. Palaeobotanist, v.24, pp.102–107.
4. Barron, E.J. and Harrison, C.G.A. (1980) An analysis of past plate motions in South Atlantic and Indian Oceans. In: Davies, P., Runcorn, S.K. (Eds.), Mechanisms of continental drift and plate tectonics, Academic Press, London, UK.
5. Bera, S., Parua, D.K. and Sen, I. (2001) Fossil wood resembling Sindora Miq. from the Neogene of West Bengal, India. Indian Jour. Earth Sci., v.28, pp.26–31.