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Description of two new species of the genus Heterochelamon Turkay & Dai, 1997 (Crustacea: Decapoda: Brachyura: Potamidae), from southern China.

ABSTRACT: This study describes two new species of freshwater crab of the genus Heterochelamon Türkay & Dai, 1997 from southern China, H. huidongense from Guangdong Province and H. jinxiuense from Guangxi Zhuang Autonomous Region. The two new species can be differentiated from congeners by characters derived from the shape of the epibranchial tooth, external orbital angle, cheliped proportions and structure of the male first gonopod. The present study brings the number of Heterochelamon species to seven. We used the mitochondrial 16S rRNA gene for a molecular analysis and the results are consistent with the morphological features that support the recognition of two new taxa.

SUBMITTER: Wang SB 

PROVIDER: S-EPMC7382368 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Description of two new species of the genus <i>Heterochelamon</i> Türkay & Dai, 1997 (Crustacea: Decapoda: Brachyura: Potamidae), from southern China.

Wang Song-Bo SB   Xu Yi-Yang YY   Zou Jie-Xin JX  

PeerJ 20200722

This study describes two new species of freshwater crab of the genus <i>Heterochelamon</i> Türkay & Dai, 1997 from southern China, <i>H. huidongense</i> from Guangdong Province and <i>H. jinxiuense</i> from Guangxi Zhuang Autonomous Region. The two new species can be differentiated from congeners by characters derived from the shape of the epibranchial tooth, external orbital angle, cheliped proportions and structure of the male first gonopod. The present study brings the number of <i>Heterochel  ...[more]

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