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Med J Islamic World Acad Sci. 1991; 4(3): 203-206
Discussion on Omphalocyclus Bronn 1853, Orbitoides Concavatus Rahaghi, 1976 and Praeomphalocyclus Nov. Gen. Engin Meriç1, Tanyol Çoruh2 1From Department of Geological Engineering Faculty of Mining, Istanbul Technical University, 80626-Maslak, Istanbul, Türkiye. 2From Turkish Petroleum A. Comp. Research Center, 64420, Ankara, Türkiye. It is here suggested that Orbitoides concavatus Rahaghi, 1976, which was described from the Campanian sediments of Western Iran, does not belong to the genus Orbitoides but is a primitive type of Omphalocyclus. Keywords: Praeomphalocyclus, omphalocyclus, orbitoides concavatus, campanian sediments, rahaghi, western Iran. Engin Meriç, Tanyol Çoruh. Discussion on Omphalocyclus Bronn 1853, Orbitoides Concavatus Rahaghi, 1976 and Praeomphalocyclus Nov. Gen.. Med J Islamic World Acad Sci. 1991; 4(3): 203-206 Corresponding Author: Engin Meriç, Türkiye	TOOLS Full Text PDF Print Download citation RIS EndNote BibTex Medlars Procite Reference Manager Share with email Share Send email to author Similar articles PubMed Google Scholar