Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy;Vol.7,　No.4

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On the Ontogeny of Barroisiceras Minimum YABE from the Upper Ammonite Bed in Hokkaidô (Palaeontological Study of Cretaceous Ammonites from Hokkaidô - (I).)

Hayasaka, Ichirô;Fukada, Atsuo

Permalink : http://hdl.handle.net/2115/35843

Abstract


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