National Museum of Nature and Science Monographs |
date of publication |
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National Museum of Nature and Science Monographs No.50 |
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Yasunari Shigeta, Masataka Izukura and Tomohiro Nishimura |
February 2019 |
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Campanian (Late Cretaceous) ammonoids and inoceramids from the Ribira River area, Hokkaido, northern Japan |
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