@article{oai:u-ryukyu.repo.nii.ac.jp:02011274, author = {Ohtsuchi, Naoya and Takeda, Masatsune and Ashida, Akira and 大土, 直哉 and 武田, 正倫 and 芦田, 晃}, journal = {Fauna Ryukyuana}, month = {Dec}, note = {This paper reports the first records of Hyastenus ambonensis Griffin & Tranter, 1986 from the Ryukyu Archipelago and H. uncifer Calman, 1909 from Okinawa Island. Hyastenus brockii De Man, 1888 is excluded from the carcinological fauna of Japan, because the only Japanese specimen from Kuro Island, Yaeyama Group, deposited at the Wakayama Prefectural Museumm of Natural History, is found to represent H. ambonensis. Diagnostic characters of closely allied H. ambonensis and H. baru Windsor & Ahyong, 2013 are reassessed., モガニ科Epialtidae MacLeay, 1838ツノガニ属Hyastenus White, 1847のアンボンツノガニ Hyastenus ambonensis Griffin & Tranter, 1986の琉球列島初記録とナガツノガニH. uncifer Calman, 1909の沖縄島初記録を報じる. ブロッキツノガニH. brockii (De Man, 1888) は, 和歌山県立自然博物館所蔵「永井誠二カニ類標本コレクション」に含まれる日本産唯一の標本がH. ambonensisの誤同定と判明したため, 日本のカニ類相から除外された. アンボンツノガニとH. baru Windsor & Ahyong, 2013の判別形質について再検討した., 論文}, pages = {1--14}, title = {Two poorly known species of the genus Hyastenus White, 1847 (Decapoda: Brachyura: Epialtidae) from the Ryukyu Archipelago}, volume = {58}, year = {2020} }