Further observations of Cunninghamiostrobus yubariensis Stopes and Fujii from the Upper Yezo Group(Upper Cretaceous),Hokkaido,Japan
書誌事項
- タイトル別名
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- 989 Further observations of Cunninghamiostrobus yubariensis Stopes and Fujii from the Upper Yezo Group (Upper Cretaceous), Hokkaido, Japan
- Further observations of Cunninghamiostr
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抄録
Permineralized ovular conifer cones are common in occurrence in the Upper Yezo Group (Late Cretaceous in age) of marine origin, Hokkaido, Japan. This paper describes in detail a taxodiaceous ovular cone which is referable to those described originally by Stopes and Fujii (1910) and later by Ogura (1930) under the name of Cunninghamiostrobus yubariensis Stopes and Fujii. Unfortunately previous records did not show the ovular features in detail. However, we could study these in our well preserved specimen. Ovules (or seeds) in this specimen are three in number on each cone-scale, the only similarity between our cone and those of extant Cunninghamia. Vasculature in the cone-scale is different in the two. Comparison of the present cone with the other Cunninghamiostrobus cones and other allied cones hitherto described is also drawn in this paper.
収録刊行物
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- Transactions and proceedings of the Paleontological Society of Japan. New series
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Transactions and proceedings of the Paleontological Society of Japan. New series 1995 (178), 122-141, 1995
日本古生物学会
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詳細情報 詳細情報について
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- CRID
- 1390282680410542976
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- NII論文ID
- 110002703394
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- NII書誌ID
- AA00867896
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- ISSN
- 21860963
- 00310204
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- NDL書誌ID
- 3624236
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可