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Moreno-Bedmar J.A. & Delanoy G. (2013) About the generic attribution of Megatyloceras casei Humphrey, 1949 (Ammonoidea, Ancyloceratina), from the Aptian of Mexico.- Carnets de Géologie [Notebooks on Geology], Brest, Letter 2013/06 (CG2013_L06), p. 315-323.

Megatyloceras casei Humphrey, 1949, , Epicheloniceras Cheloniceratinae



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