@article{oai:u-ryukyu.repo.nii.ac.jp:02011361, author = {前之園, 唯史 and Maenosono, Tadafumi}, journal = {Fauna Ryukyuana}, month = {Mar}, note = {九州の南端と琉球列島の沿岸域から採集された標本に基づき, シワオウギガニ属Macromedaeus Ward, 1942のノコハシワオウギガニ (新称) M. nudipes (A. Milne-Edwards, 1867), コブテシワオウギガニ (新称) M. quinquedentatus (Krauss, 1843), アルフォンシワオウギガニM. crassimanus (A. Milne-Edwards, 1867), マルハシワオウギガニ (改称) M. demani (Odhner, 1925) およびヒメシワオウギガニM. orientalis (Takeda & Miyake, 1969) を報告した. これら5種のうちノコハシワオウギガニ, コブテシワオウギガニ, マルハシワオウギガニの3種は日本沿岸からの初記録である. 本稿では, これら5種にシワオウギガニM. distinguendus De Haan, 1835を加えた日本産シワオウギガニ属全6種の検索表も与えた., Five species of the xanthid genus Macromedaeus Ward, 1942, viz. M. nudipes (A. Milne-Edwards, 1867), M. quinquedentatus (Krauss, 1843), M. crassimanus (A. Milne-Edwards, 1867), M. demani (Odhner, 1925) and M. orientalis (Takeda & Miyake, 1969), are reported based on specimens collected from the Ryukyu Islands and the southern part of Kyushu. The present study represents the first records of M. nudipes, M. quinquedentatus and M. demani to the Japanese fauna. An identification key to the six species of Macromedaeus recorded from Japan, including M. distinguendus De Haan, 1835, is also provided., 論文}, pages = {1--15}, title = {日本初記録の3種を含む南日本産シワオウギガニ属 (甲殻亜門: 十脚目: 短尾下目) 5種の報告}, volume = {59}, year = {2021} }