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Abstract |
This is a serial comprehensive study on the Lower Cretaceous pelecypods of Japan, except for the trigoniids, the pachyodonts and the brackish- and fresh-water species. In the present part 68 species o...f the Palaeotaxodontida, the Eutaxodontida, the Isofilibranchida, the Pteroconchida and the Colloconchida are described systematically on the basis of the well preserved specimens as plentifully as possible which have been collected from many sedimentary areas by a number of straitigraphers and palaeontologists, including myself. A new subfamily (Pterinellinae), three new subgenera(Hanaia, Neithella, and Aequineithea) and 23 new species are proposed. A classification of the genus Neithea is also presented.show more
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Table of Contents |
1.Introduction 2.Acknowledgements 3.Material 4.Systematic descriptions
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