Cretaceous Ammonites from the Upper Chitina Valley, Alaska
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Upper Cretaceous Foraminifera from Japan
IN THIS PAPER the discovery in Japan of smaller Foraminifera from the Upper Cretaceous strata is recorded for the firsi: time. This contribution, in addition to its specific biostratigraphic application in Japan, has further interest by reason of its extension of the geo. graphic range ,of the widely distributed Cretaceous pelagic foraminiferan, Globotruncana. In the north Pacific region, Globo...
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ژورنال
عنوان ژورنال: Memoirs of the Faculty of Science, Kyūsyū University. Series D, Geology
سال: 1959
ISSN: 0023-6179
DOI: 10.5109/1524323