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

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

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


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 Tanaka

Kentaro Sao

Takuya Ueda

Isao Sano

Jun-Ichi Miyazaki

Duarte V. Gon�alves

Olga K. Klishko

Ekaterina S. Konopleva

Ilya V. Vikhrev

Alexander V. Kondakov

Mikhail Yu. Gofarov

Ivan N. Bolotov

Elena M. Sayenko

Marianna Soroka

Arthur E. Bogan

Elsa Froufe


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.

Journal Article Type Article
Acceptance Date Jan 28, 2020
Online Publication Date Feb 3, 2020
Publication Date 2020-05
Deposit Date Mar 9, 2020
Publicly Available Date Feb 4, 2021
Journal Molecular Phylogenetics and Evolution
Print ISSN 1055-7903
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 146
Article Number 106755
Keywords Genetics; Ecology, Evolution, Behavior and Systematics; Molecular Biology
Public URL
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Additional Information This article is maintained by: Elsevier; Article Title: Freshwater mussels (Bivalvia: Unionidae) from the rising sun (Far East Asia): phylogeny, systematics, and distribution; Journal Title: Molecular Phylogenetics and Evolution; CrossRef DOI link to publisher maintained version:; Content Type: article; Copyright: © 2020 Elsevier Inc. All rights reserved.


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