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A new species of freshwater crab of the genus Himalayapotamon Pretzmann, 1966 (Decapoda, Brachyura: Potamidae: Potaminae) from Uttarakhand, northern India



A new species of potamid freshwater crab, Himalayapotamon garhwalense n. sp., is described from a stream near Khanda in Pauri Garhwal district of Uttarakhand, India. The new species is differentiated from all congeners by a suite of carapace and gonopod features, including the short, stout and conical G1 terminal joint with gradually tapered distal portion. Himalayapotamon Pretzmann, 1966, is now represented by 11 species including H. garhwalense n. sp. An identification key to the species in the genus is provided.



Crustacea, taxonomy, new species, identification key, India

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Alcock, A. (1909) Diagnoses of new species and varieties of freshwater crabs. Nos. 1–3. Records of the Indian Museum, 3 (3), 243–252.

Alcock, A. (1910) Catalogue of the Indian decapod Crustacea in the collection of the Indian Museum. Part I. Brachyura. Fasciculus II. The Indian fresh-water crabs- Potamonidae. Indian Museum, Calcutta, 135 pp.

Bott, R. (1966) Potamiden aus Asien (Potamon Savigny und Potamiscus Alcock). Senckenbergiana biologica, 47 (6), 469–509.

Bott, R. (1970) Die Süßwasserkrabben von Europa, Asien, Australien und ihre Stammesgeschichte. Eine Revision der Potamoidea und der Parathelphusoidea (Crustacea, Decapoda). Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 526, 1–338.

Bouvier, M.E.-L. (1918) Sur quelques Crustacés Décapodes recueillis par M. Guy Babault dans les eaux douces de l'Inde anglaise. Bulletin du Muséum National d’Histoire Naturelle, 24, 386–393. [Paris]

Brandis, D. (2001) On the taxonomy and biogeography of Potamon atkinsonianum (Wood-Mason, 1871) and Potamon (Potamon) emphysetum (Alcock, 1909). Hydrobiologia, 452 (1–3), 89–100.

Brandis, D. & Sharma, H. (2005) Taxonomic revision of the freshwater crab fauna of Nepal with description of a new species (Crustacea, Decapoda, Brachyura, Potamoidea and Gecarcinucoidea). Senckenbergiana biologica, 85 (1), 1–30.

Brandis, D., Storch, V. & Türkay, M. (1999) Morphology and function of the copulatory system in freshwater crabs of the genus Potamon. Journal of Morphology, 239 (2), 157–166.;2-E

Chopra, R.N. & Singh, R.V. (1977) Decapoda Crustacea of Dehra Dun and around. Newsletter of the Zoological Survey of India, 3 (5), 293–295.

Ghatak, S.S. & Ghosh, S.K. (2010) Crustacea: Decapoda: Palaemonidae: Potamidae: Gecarcinucidae. In: The Director (Ed.), Fauna of Uttarakhand. State Fauna Series 18. Part 3. Zoological Survey of India, Kolkata, pp. 199–207.

Krishnamurthy, P. (1995) Crustacea: Decapoda. In: The Director (Ed.), Fauna of Western Himalaya. Part 1. Uttar Pradesh. Himalayan Ecosystem Series 33. Zoological Survey of India, Calcutta, p. 23.

Ng, P.K.L. (1988) The freshwater crabs of Peninsular Malaysia and Singapore. Department of Zoology, National University of Singapore, Shinglee Press, Singapore, 156 pp.

Ng, P.K.L. & Tay, F.W.M. (2001) The freshwater crabs of Sri Lanka (Decapoda: Brachyura: Parathelphusidae). Zeylanica, 6 (2), 113–199.

Ng, P.K.L., Guinot, D. & Davie, P.J.F. (2008) Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. Raffles Bulletin of Zoology, 17 (Supplement), 1–286.

Pretzmann, G. (1963) Über einige süd- und ostasiatische Potamoniden (Material des Wiener Naturhistorischen Museums und des Zoologischen Museums der Berliner Humboldt-Universität). Annalen des Naturhistorischen Museums in Wien, 66, 361–372.

Pretzmann, G. (1966) Süßwasserkrabben aus dem westlichen Himalayagebiet. Annalen des Naturhistorischen Museums in Wien, 69, 299–303.

Rathbun, M.J. (1904) Les crabes d’eau douce (Potamonidae). Nouvelles Archives du Muséum d'Histoire Naturelle, Séries 4, 6, 225–312.



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