Tomikawa Ko, Hirashima Kentaro, Hirai Atsushi, Uchiyama Ryu
Department of Science Education, Graduate School of Education, Hiroshima University, 1-1-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8524, Japan.
Wakayama Prefectural Museum of Natural History, 370-1, Funo, Kainan, Wakayama 642-0001, Japan.
Zookeys. 2018 May 28(760):73-88. doi: 10.3897/zookeys.760.24778. eCollection 2018.
A new brackish-water species of melitid amphipod, , from the Choshigawa River, Mie Prefecture, Japan, is named and described. is distinguished from the most similar (Uéno, 1940) by having an elongate and weakly arched male uropod 3, and a deep and strongly hooked anterior lobe of the coxa on the female's pereopod 6. Nucleotide sequences of the mitochondrial cytochrome oxidase subunit I (COI) of and support divergence at the species level. A key to the Japanese species of is provided.
一种来自日本三重县志太川的新的咸淡水梅利蒂德双足虾类物种被命名并描述。它与最相似的物种（上野，1940年）的区别在于，雄性尾足3细长且弱拱，雌性第6步足的基节有一个深且强烈钩状的前叶。该物种和相似物种的线粒体细胞色素氧化酶亚基I（COI）的核苷酸序列支持物种水平上的差异。提供了日本该属物种的检索表。
