A new species of Acanthopotamon Kemp, 1918 (Decapoda: Brachyura: Potamidae: Potaminae) from northeastern India, with a key to the species of the genus and notes on their distribution in relation to freshwater ecoregions

被引：13
|
作者：
Pati, Sameer K. [1 ]
Mitra, Santanu [2 ]
Yeo, Darren C. J. [3 ,4 ]
机构：
[1] Western Reg Ctr, Zool Survey India, Pune 411044, Maharashtra, India
[2] Zool Survey India, Crustacea Sect, Fire Proof Spirit Bldg,27 Jawaharlal Nehru Rd, Kolkata 700016, W Bengal, India
[3] Natl Univ Singapore, Dept Biol Sci, 14 Sci Dr, Singapore 117543, Singapore
[4] Natl Univ Singapore, Lee Kong Chian Nat Hist Museum, 2 Conservatory Dr, Singapore 117377, Singapore
来源：
JOURNAL OF CRUSTACEAN BIOLOGY | 2019年 / 39卷 / 04期
关键词：
freshwater crabs; geographic range; taxonomy; CRAB FAUNA;
D O I：
10.1093/jcbiol/ruz040
中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
The potamid genus Acanthopotamon Kemp, 1918 is known from three species, A. fungosum (Alcock, 1909), A. martensi (Wood-Mason, 1875) (type species), and A. panningi (Bott, 1966), and is found in Bangladesh, India, Nepal, and Pakistan. Within this range, the genus is found in the 'Ganges Delta and Plain,' 'Lower and Middle Indus,' and 'Namuda-Tapi' freshwater ecoregions. Here we describe a fourth species, A. horai sp. nov., from northeastern India (Arunachal Pradesh, Assam, and Mizoram) in the 'Middle Brahmaputra' and 'Ganges Delta and Plain' freshwater ecoregions. The new species possesses a unique suite of external and gonopod morphological characters, with the slender and narrowly conical terminal segment of the first male gonopod being particularly diagnostic. A key to the species of Acanthopotamon is provided.
引用
收藏
页码：450 / 458
页数：9
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