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Overview of Pleistocene Bryozoans in Japan

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タイトル: Overview of Pleistocene Bryozoans in Japan
著者: Dick, Matthew H. 著作を一覧する
Takashima, Reishi 著作を一覧する
Komatsu, Toshifumi 著作を一覧する
Kaneko, Naotomo 著作を一覧する
Mawatari, Shunsuke F. 著作を一覧する
キーワード: Benthic
Biodiversity
Bryozoa
Climate change
Ectoprocta
Fossil
Japan
Paleoclimate
Pleistocene
Polyzoa
Taxonomy
発行日: 2008年
出版者: 21st Century COE for Neo-Science of Natural History, Hokkaido University
引用: Edited by Hisatake Okada, Shunsuke F. Mawatari, Noriyuki Suzuki, Pitambar Gautam. ISBN: 978-4-9903990-0-9
誌名: Origin and Evolution of Natural Diversity : Proceedings of the International Symposium, The Origin and Evolution of Natural Diversity, held from 1-5 October 2007 in Sapporo, Japan
開始ページ: 83
終了ページ: 91
抄録: We compiled a list of bryozoan taxa reported between 1935 and 1995 from Pleistocene deposits in Japan. Our list adds many Pleistocene records to the 1980 checklist of Sakagami et al.: although only a handful of additional Pleistocene records of bryozoans have been published since 1980, many deposits previously considered to be of Pliocene age have now been more accurately dated as Pleistocene. These include the Setana, Hamada, Hirose, Daishaka, Shibikawa, Sawane, Haizume, and Omma Formations. Our list contains 358 taxa, including 97 new to science described from Pleistocene Japan. Previous studies have been concentrated in four regions of Japan: 1) Boso Peninsula, central Honshu, Pacific side; 2) SW Hokkaido and N Honshu in the vicinity of Tsugaru Strait; 3) Noto Peninsula and Niigata, central Honshu, Sea of Japan; and 4) Kikai-jima Island in the Nansei Archipelago south of Kyushu. We present the number of total taxa and new taxa reported per region and formation, and compare the similarities among regions. We report newly discovered Pleistocene deposits from two regions: the Setana Fm. near Kuromatsunai, Hokkaido, and the Oe and "Kita Arima" Fms. on the Shimabara Peninsula, Kyushu. Pleistocene bryozoans are relatively well known in Japan, and with increased taxonomic resolution can provide a 'model system' for investigating the effects of climate change on assemblages of sessile benthic marine animals.
記述: International Symposium, "The Origin and Evolution of Natural Diversity". 1–5 October 2007. Sapporo, Japan.
資料タイプ: proceedings
URI: http://hdl.handle.net/2115/38443
出現コレクション:Proceedings

 

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