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Bert D.,  Busnardo R.,  Delanoy G. & Bersac S. (2010).- Problems in the identity of "Crioceras" barremense Kilian, 1895 (Ancyloceratida, Late Barremian), and their proposed resolution.- Carnets de Géologie - Notebooks on Geology, Brest, Article 2010/01 (CG2010_A01), 17 p., 1 tabl., 4 figs., 4 pls.