Freshwater mussels (Bivalvia: Unionidae) from the rising sun (Far East Asia): phylogeny, systematics, and distribution

Manuel Lopes-Lima, Akimasa Hattori, Takaki Kondo, Jin Hee Lee, Sang Ki Kim, Akihisa Shirai, Hironori Hayashi, Taira Usui, Kanta Sakuma, Taishi Toriya, Youhei Sunamura, Haruki Ishikawa, Naoki Hoshino, Yushi Kusano, Hinata Kumaki, Yuya Utsugi, Shinnosuke Yabe, Yuma Yoshinari, Hazuki Hiruma, Akiko TanakaKentaro Sao, Takuya Ueda, Isao Sano, Jun Ichi Miyazaki, Duarte V. Gonçalves, Olga K. Klishko, Ekaterina S. Konopleva, Ilya V. Vikhrev, Alexander V. Kondakov, Mikhail Yu. Gofarov, Ivan N. Bolotov, Elena M. Sayenko, Marianna Soroka, Alexandra Zieritz, Arthur E. Bogan, Elsa Froufe

研究成果: ジャーナルへの寄稿学術誌査読

43 被引用数 (Scopus)


Freshwater mussels (Bivalvia: Unionidae) is a diverse family with around 700 species being widespread in the Northern Hemisphere and Africa. These animals fulfill key ecological functions and provide important services to humans. Unfortunately, populations have declined dramatically over the last century, rendering Unionidae one of the world's most imperiled taxonomic groups. In Far East Asia (comprising Japan, Korea, and Eastern Russia), conservation actions have been hindered by a lack of basic information on the number, identity, distribution and phylogenetic relationships of species. Available knowledge is restricted to studies on national and sub-national levels. The present study aims to resolve the diversity, biogeography and evolutionary relationships of the Far East Asian Unionidae in a globally comprehensive phylogenetic and systematic context. We reassessed the systematics of all Unionidae species in the region, including newly collected specimens from across Japan, South Korea, and Russia, based on molecular (including molecular species delineation and a COI + 28S phylogeny) and comparative morphological analyses. Biogeographical patterns were then assessed based on available species distribution data from the authors and previous reference works. We revealed that Unionidae species richness in Far East Asia is 30% higher than previously assumed, counting 43 species (41 native + 2 alien) within two Unionidae subfamilies, the Unioninae (32 + 1) and Gonideinae (9 + 1). Four of these species are new to science, i.e. Beringiana gosannensis sp. nov., Beringiana fukuharai sp. nov., Buldowskia kamiyai sp. nov., and Koreosolenaia sitgyensis gen. & sp. nov. We also propose a replacement name for Nodularia sinulata, i.e. Nodularia breviconcha nom. nov. and describe a new tribe (Middendorffinaiini tribe nov.) within the Unioninae subfamily. Biogeographical patterns indicate that this fauna is related to that from China south to Vietnam until the Mekong River basin. The Japanese islands of Honshu, Shikoku, Kyushu, Hokkaido, and the Korean Peninsula were identified as areas of particularly high conservation value, owing to high rates of endemism, diversity and habitat loss. The genetically unique species within the genera Amuranodonta, Obovalis, Koreosolenaia gen. nov., and Middendorffinaia are of high conservation concern.

ジャーナルMolecular Phylogenetics and Evolution
出版ステータス出版済み - 5月 2020

!!!All Science Journal Classification (ASJC) codes

  • 生態、進化、行動および分類学
  • 分子生物学
  • 遺伝学


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