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Expansion and systematics redefinition of the most threatened freshwater mussel family, the Margaritiferidae

Lopes-Lima, Manuel; Bolotov, Ivan N.; Do, Van Tu; Aldridge, David C.; Fonseca, Miguel M.; Gan, Han Ming; Gofarov, Mikhail Y.; Kondakov, Alexander V.; Prié, Vincent; Sousa, Ronaldo; Varandas, Simone; Vikhrev, Ilya V.; Teixeira, Amílcar; Wu, Rui-Wen; Wu, Xiaoping; Zieritz, Alexandra; Froufe, Elsa; Bogan, Arthur E.

Authors

Manuel Lopes-Lima

Ivan N. Bolotov

Van Tu Do

David C. Aldridge

Miguel M. Fonseca

Han Ming Gan

Mikhail Y. Gofarov

Alexander V. Kondakov

Vincent Prié

Ronaldo Sousa

Simone Varandas

Ilya V. Vikhrev

Amílcar Teixeira

Rui-Wen Wu

Xiaoping Wu

Alexandra Zieritz

Elsa Froufe

Arthur E. Bogan



Abstract

Two Unionida (freshwater mussel) families are present in the Northern Hemisphere; the Margaritiferidae, representing the most threatened of unionid families, and the Unionidae, which include several genera of unresolved taxonomic placement. The recent reassignment of the poorly studied Lamprotula rochechouartii from the Unionidae to the Margaritiferidae motivated a new search for other potential species of margaritiferids from members of Gibbosula and Lamprotula. Based on molecular and morphological analyses conducted on newly collected specimens from Vietnam, we here assign Gibbosula crassa to the Margaritiferidae. Additionally, we reanalyzed all diagnostic characteristics of the Margaritiferidae and examined museum specimens of Lamprotula and Gibbosula. As a result, two additional species are also moved to the Margaritiferidae, i.e. Gibbosula confragosa and Gibbosula polysticta. We performed a robust five marker phylogeny with all available margaritiferid species and discuss the taxonomy within the family. The present phylogeny reveals the division of Margaritiferidae into four ancient clades with distinct morphological, biogeographical and ecological characteristics that justify the division of the Margaritiferidae into two subfamilies (Gibbosulinae and Margaritiferinae) and four genera (Gibbosula, Cumberlandia, Margaritifera, and Pseudunio). The systematics of the Margaritiferidae family is re-defined as well as their distribution, potential origin and main biogeographic patterns.

Journal Article Type Article
Publication Date Oct 31, 2018
Journal Molecular Phylogenetics and Evolution
Print ISSN 1055-7903
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 127
Pages 98-118
APA6 Citation Lopes-Lima, M., Bolotov, I. N., Do, V. T., Aldridge, D. C., Fonseca, M. M., Gan, H. M., …Bogan, A. E. (2018). Expansion and systematics redefinition of the most threatened freshwater mussel family, the Margaritiferidae. Molecular Phylogenetics and Evolution, 127, 98-118. doi:10.1016/j.ympev.2018.04.041
DOI https://doi.org/10.1016/j.ympev.2018.04.041
Keywords Genetics; Ecology, Evolution, Behavior and Systematics; Molecular Biology
Publisher URL https://www.sciencedirect.com/science/article/pii/S1055790318300174?via%3Dihub
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