Unveiling the identity of Diaurora Cockerell, 1903 (Bivalvia, Unionidae): morphology, molecular phylogenetics, and the description of a new species

The monotypic freshwater mussel genus Cockerell, 1903 has long been enigmatic due to its rarity and morphological confusion with . In this study, we comprehensively redescribed (Heude, 1883) through a detailed analysis of shell morphology and molecular phylogenetics of recently collected specimens....

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Bibliographic Details
Published in:ZooKeys 2023-08, Vol.1173 (13–14), p.131-144
Main Authors: Chen, Zhong-Guang, Dai, Yu-Ting, Ouyang, Shan, Huang, Xiao-Chen, Wu, Xiao-Ping
Format: Article
Language:English
Subjects:
Analysis
Asia
Bivalvia
Cenozoic
Discovery and exploration
Far East
Fresh water
Identification and classification
Mollusca
Morphology (Animals)
Phylogeny
Systematics
Taxonomy
Unionidae
Unionoida
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Summary:The monotypic freshwater mussel genus Cockerell, 1903 has long been enigmatic due to its rarity and morphological confusion with . In this study, we comprehensively redescribed (Heude, 1883) through a detailed analysis of shell morphology and molecular phylogenetics of recently collected specimens. Moreover, a new species, , was identified from the Fuyishui River, a tributary of the Zishui River in Shaoyang County, Shaoyang City, Hunan Province, China. Molecular phylogenetic analyses showed that and were reciprocally monophyletic and formed a clade as sister to . Our study underscores the necessity of further exploring the diversity of freshwater mussels in understudied small tributaries throughout China.
ISSN:1313-2989
1313-2970
DOI:10.3897/zookeys.1173.106148