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Phylogeny of the most species-rich freshwater bivalve family (Bivalvia: Unionida: Unionidae): Defining modern subfamilies and tribes.

Abstract：

:Freshwater mussels of the order Unionida are key elements of freshwater habitats and are responsible for important ecological functions and services. Unfortunately, these bivalves are among the most threatened freshwater taxa in the world. However, conservation planning and management are hindered by taxonomic problems and a lack of detailed ecological data. This highlights the urgent need for advances in the areas of systematics and evolutionary relationships within the Unionida. This study presents the most comprehensive phylogeny to date of the larger Unionida family, i.e., the Unionidae. The phylogeny is based on a combined dataset of 1032bp (COI+28S) of 70 species in 46 genera, with 7 of this genera being sequenced for the first time. The resulting phylogeny divided the Unionidae into 6 supported subfamilies and 18 tribes, three of which are here named for the first time (i.e., Chamberlainiini nomen novum, Cristariini nomen novum and Lanceolariini nomen novum). Molecular analyses were complemented by investigations of selected morphological, anatomical and behavioral characters used in traditional phylogenetic studies. No single morphological, anatomical or behavioral character was diagnostic at the subfamily level and few were useful at the tribe level. However, within subfamilies, many tribes can be recognized based on a subset of these characters. The geographical distribution of each of the subfamilies and tribes is also presented. The present study provides important advances in the systematics of these extraordinary taxa with implications for future ecological and conservation studies.

journal_name

Mol Phylogenet Evol

journal_title

Molecular phylogenetics and evolution

authors

Lopes-Lima M,Froufe E,Do VT,Ghamizi M,Mock KE,Kebapçı Ü,Klishko O,Kovitvadhi S,Kovitvadhi U,Paulo OS,Pfeiffer JM 3rd,Raley M,Riccardi N,Şereflişan H,Sousa R,Teixeira A,Varandas S,Wu X,Zanatta DT,Zieritz A,Bogan AE

doi

10.1016/j.ympev.2016.08.021

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

174-191

eissn

1055-7903

issn

1095-9513

pii

S1055-7903(16)30220-2

journal_volume

106

pub_type

杂志文章

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Phylogeny of the most species-rich freshwater bivalve family (Bivalvia: Unionida: Unionidae): Defining modern subfamilies and tribes.