Inoceramus(Platyceramus)szaszi sp.nov.(Bivalvia)from the Coniacian(Cretaceous)of Hokkaido
書誌事項
- タイトル別名
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- 990 Inoceramus (Platyceramus) szaszi sp. nov. (Bivalvia) from the Coniacian (Cretaceous) of Hokkaido
- Inoceramus Platyceramus szaszi sp.nov.B
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抄録
Inoceramus (Platyceramus) szaszi sp. nov. is established on a sample and supplementary specimens from the upper Middle Coniacian of the Ikushunbetsu valley, central Hokkaido. It resembles I. (Pl.) mantelli de Mercey, 1877 and also I. (Pl.) troegeri Noda, 1992, but is distinct from them in its fan-shaped outline, fairly constant obliquity and inconspicuous ornamentation. Statistical analyses of some selected characters also reveal significant morphological differences. On the ground of stratigraphic position and morphological resemblance, I. (Pl.) szaszi is presumed to descend from I. (Pl.) troegeri of the Lower to lower Middle Coniacian, but it is probably an offshoot without giving rise to any descendant.
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), 142-153, 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
- 1390001205433830912
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- NII論文ID
- 110002703395
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- NII書誌ID
- AA00867896
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- ISSN
- 21860963
- 00310204
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- NDL書誌ID
- 3624237
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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