Records of Notospermus tricuspidatus (Quoy & Gaimard, 1833) (Nemertea: Pilidiophora) in Japanese waters, with a review of warm-water green-bodied heteronemerteans from the Indo–West-Pacific

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  • ミツヤリミドリヒモムシ (新称) Notospermus tricuspidatus (Quoy & Gaimard, 1833) (紐形動物: 担帽類) の日本からの記録, 及びインド西太平洋産暖海性緑色異紐虫類に関する論評

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The heteronemertean Notospermus tricuspidatus (Quoy & Gaimard, 1833) [new Japanese name: mitsuyari-midori-himomushi] is known to be distributed in the tropical Indo–West- Pacific, but has not been formally reported from Japanese waters based on voucher material. We summarize records of the species based on recently collected specimens in the Nansei Islands. A specimen collected on Yakushima Island (ca. 30°N) represents the northern limit of the species’ distribution. For facilitating future studies, a synonym list for the species is compiled based on primary literature; nominal species of heteronemerteans with green body originally described from the temperate to tropical Indo–West- Pacific regions and their surrounding seas are listed and tentatively classified into 11 forms

異紐虫類ミツヤリミドリヒモムシ (新称) Notospermus tricuspidatus (Quoy & Gaimard, 1833) はインド西太平洋熱帯域に分布する事が知られているが, 日本の海域からは証拠標本に基づいた正式な記録が無かった. 本論文では南西諸島 (本誌における「琉球列島」) から近年得られた標本に基づく本種の記録を報告する. 屋久島 (北緯約30度) で得られた標本は本種の分布の北限記録となる. 将来の研究に資するため一次文献に基づいて本種の異名表を作成した. またインド西太平洋の温・熱帯域およびその周辺海域において原記載された異紐虫類の名義種20種をリストし, それらを暫定的に11の型に分類した.

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Journal

  • Fauna Ryukyuana

    Fauna Ryukyuana 28 59-65, 2016-02-03

    Ryukyu University Museum, Fujukan

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