Taxonomy and phylogeny of the genus Melita (Crustacea: Amphipoda: Melitidae) from the West Pacific Islands, with descriptions of four new species

被引：7

作者：

Tomikawa, Ko ^{[1
]}

Sasaki, Tetsuro ^{[2
]}

Aoyagi, Masaru ^{[3
]}

Nakano, Takafumi ^{[4
]}

机构：

[1] Hiroshima Univ, Grad Sch Humanities & Social Sci, 1-1-1 Kagamiyama, Higashihiroshima, Hiroshima 7398524, Japan

[2] Inst Boninol, Nishi Machi, Tokyo 1002101, Japan

[3] Environm Assistance C, 3-34-17 Yafuso, Urazoe, Okinawa 9012127, Japan

[4] Kyoto Univ, Grad Sch Sci, Dept Zool, Kyoto 6068502, Japan

来源：

ZOOLOGISCHER ANZEIGER | 2022年 / 296卷

基金：

日本学术振兴会;

关键词：

Freshwater; Molecular phylogeny; Multiple invasions; Oceanic island; Ogasawara islands; Ryukyu islands; JAPAN CRUSTACEA; OCEANIC ISLAND; CANARY-ISLANDS; MIYAKO ISLAND; 1ST RECORD; STERNOMOERA; STYGOFAUNA; ANCHIALINE; DIVERSITY; EVOLUTION;

D O I：

10.1016/j.jcz.2021.12.005

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

The amphipod genus Melita Leach, 1814 (Amphipoda: Melitidae) is a predominantly marine group with a cosmopolitan distribution in both circumtropical and temperate waters. However, records of Melita from inland waters such as fresh and brackish waters are limited. In this study, four new species of Melita are described from inland waters in the Ogasawara and Ryukyu Islands, West Pacific: M. nunomurai sp. nov. from Hahajima Island, Ogasawara Islands; M. ogasawaraensis sp. nov. from Anijima, Chichijima, and Hahajima Islands, Ogasawara Islands; M. miyakoensis sp. nov. from Miyakojima Island, Ryukyu Islands; and M. okinawaensis sp. nov. from Okinawajima Island, Ryukyu Islands. Molecular phylogenetic analyses based on nuclear and mitochondrial DNA sequences reveal that M. ogasawaraensis sp. nov. and M. nunomurai sp. nov. are recovered as the sister taxon of M. miyakoensis sp. nov. and M. choshigawaensis, respectively. These results suggest multiple colonisations of the Ogasawara Islands by Melita species. The present study revealed a high species diversity of Melita in the inland waters of the islands of West Pacific. We further discuss the phylogeny among genera of Melitidae.(c) 2021 Elsevier GmbH. All rights reserved.

引用

页码：141 / 160

页数：20

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