来自中国南部广西壮族自治区的两种淡水蟹新物种，属于异螯蟹属（Heterochelamon Türkay & Dai，1997）（甲壳纲：十足目：短尾亚目：溪蟹科） 。
Two new species of freshwater crabs of the genus Heterochelamon Türkay & Dai, 1997 (Crustacea: Decapoda: Brachyura: Potamidae) from Guangxi Zhuang Autonomous Region, southern China.
作者信息
Naruse Tohru, Zhu Chunchao, Zhou Xianmin
机构信息
Tropical Biosphere Research Center University of the Ryukyus, 870 Uehara, Taketomi, Okinawa 907-1541, Japan.
出版信息
Zootaxa. 2013;3647:567-76. doi: 10.11646/zootaxa.3647.4.6.
Heterochelamon tessellatum n. sp. and H. castanea n. sp. are described trom the Guangxi Zhuang Autonomous Region, southern China. Heterochelamon tessellatum n. sp. and H. castanea n. sp. are morphologically most similar to H. yangshuoense Türkay & Dai, 1997, and H. guangxiense Türkay & Dai, 1997, respectively. The new species can be differentiated from these allied species by differences in the shape of external orbital tooth, epibranchial tooth, and male first gonopod. The present study brings the number of Heterochelamon species to five. A key to species of the genus Heterochelamon is provided.
新种方格异螯蟹（Heterochelamon tessellatum n. sp.）和栗色异螯蟹（H. castanea n. sp.）记述于中国南部的广西壮族自治区。方格异螯蟹（Heterochelamon tessellatum n. sp.）和栗色异螯蟹（H. castanea n. sp.）在形态上分别与阳朔异螯蟹（H. yangshuoense Türkay & Dai, 1997）和广西异螯蟹（H. guangxiense Türkay & Dai, 1997）最为相似。新种可通过外眶齿、鳃上齿和雄性第一交接器形状的差异与这些近缘种相区分。本研究使异螯蟹属的物种数量增至五个。提供了异螯蟹属物种检索表。
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