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On the basis of our recent collections nine species of the Acanthoceratidae are described in this paper. They are two species of Mantelliceras, of which one is new, a magnificent new species of Sharpe...iceras, two horned species of Acanthoceras, two species of Euomphaloceras, including a new, peculiar one, a species of Kanabiceras and a new species of a new genus related to Watinoceras. The stratigraphic succession of these and also other, previously described species of acanthoceratids are summarized into a zonal scheme, with a conclusion of international correlation. In addition, brief remarks are given on the evolutional history of the Acanthoceratidae.続きを見る
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Mendeley出力
19_02_p251