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Matsumoto T., Muramoto K. (1978) Further notes on Vascoceratid ammonites from Hokkaido (Studies of the Cretaceous ammonites from Hokkaido and Saghalien - 33) // Transactions and Proceedings of the Palaeontological Society of Japan. 109, 280-292, 4 figs, pl.39.

Since previous descriptions (MA TSUMOTo, 1973), more ammonites of the Vascoceratidae have been obtained from the Cretaceous of Hokkaido. They are described in this paper, fo which a new species of Fagesia is included. In connexion with the distribution of the vascoceratids notes are given on the Early Turonian palaeogeography.



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