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Plagiodinium ballux sp. nov. (Dinophyceae), a deep (36 m) sand dwelling dinoflagellate from subtropical Japan

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Title: Plagiodinium ballux sp. nov. (Dinophyceae), a deep (36 m) sand dwelling dinoflagellate from subtropical Japan
Authors: Yamada, Norico Browse this author
Dawut, Mahmutjan Browse this author
Terada, Ryuta Browse this author →KAKEN DB
Horiguchi, Takeo Browse this author →KAKEN DB
Keywords: Benthic
large subunit rDNA
small subunit rDNA
Issue Date: Jan-2019
Publisher: John Wiley & Sons
Journal Title: Phycological research
Volume: 67
Issue: 1
Start Page: 12
End Page: 20
Publisher DOI: 10.1111/pre.12336
Abstract: A new species of marine sand-dwelling dinoflagellate, Plagiodinium ballux N. Yamada, Dawut, R. Terada & T. Horiguchi is described from a deep (36 m) seafloor off Takeshima Island, Kagoshima Prefecture, Japan in the subtropical region of the northwest Pacific. The species is thecate and superficially resembles species of Prorocentrum, but possesses an extremely small epitheca. The cell varies from ovoid to a rounded square, and is small (15.0-22.5 mu m in length) and laterally compressed. The thecal plates are smooth and the thecal plate arrangement (Po, 1 ', 0a, 5 '', 5C, 2S, 5"', 0p, 1 '''') is similar to that of Plagiodinium belizeanum, the type species of the genus. Molecular phylogenetic analyses based on SSU rDNA and partial LSU rDNA reveal that the dinoflagellate is closely related to P. belizeanum, but it can be clearly distinguished by its size and cell shape. This suite of morphological and molecular differences leads to the conclusion that this deep benthic dinoflagellate represents a new species of the genus Plagiodinium.
Rights: This is the peer reviewed version of the following article: Phycological research, Volume67, Issue1, January 2019 Pages 12-20, which has been published in final form at . This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 堀口 健雄

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