Himalayapotamon
Creators: name: Pati, S. K.
name: Singh, S.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Decapoda
Potamidae
Himalayapotamon

description: Key to the species of Himalayapotamon
1. Sixth male abdominal somite short, median length nearly two-fifth greatest width (Fig. 5C)..........................2
- Sixth male abdominal somite long, median length nearly half greatest width (Figs. 2 C, 5D)......................... 3
2. G1 terminal joint conical, with tip slightly curved outwards (Fig. 5 E)............................................................................................. H. bifarium (Alcock, 1909) [INDIA (Sikkim)? or MYANMAR?]
- G1 terminal joint S-shaped (Fig. 5 F)............... H. monticola (Alcock, 1910) [INDIA (Meghalaya and West Bengal)]
3. Male telson with acute apex (see Pretzmann 1966: pl. 3, fig. 11)..................................................................................................... H. kasaulis (Pretzmann, 1966) [INDIA (Himachal Pradesh)]
- Male telson with rounded apex (Figs. 2 C, 5D)............................................................. 4
4. Epigastric and postorbital cristae separated by indistinct groove (Fig. 5B)............................................................................................... H. ambivium (Alcock, 1909) [INDIA (Himachal Pradesh)]
- Epigastric and postorbital cristae separated by distinct groove (Fig. 2 A)......................................... 5
5. G1 terminal joint sinuous (see Brandis 2001: fig. 3c).................................................................... H. atkinsonianum (Wood-Mason, 1871) [BHUTAN, INDIA (Meghalaya, Sikkim and West Bengal) and NEPAL]
- G1 terminal joint conical, with almost straight margins (Fig. 3 A)............................................... 6
6. G1 terminal joint slender (see Brandis 2001: fig. 4c)......................................................... 7
- G1 terminal joint stout (Fig. 3 A)......................................................................... 9
7. G1 terminal joint blunt towards tip (see Brandis 2001: fig. 4c).................................................... H. emphyseteum (Alcock, 1909) [INDIA (Himachal Pradesh, Jammu and Kashmir and Uttarakhand), NEPAL and PAKISTAN]
- G1 terminal joint distinctly narrowing towards tip (see Bott 1970: pl. 38, fig. 19).................................. 8
8. G1 terminal joint short, ca. 0.3 times length of subterminal joint (see Bott 1970: pl. 38, fig. 19)............................................. H. koolooense (Rathbun, 1904) [AFGHANISTAN, INDIA (Himachal Pradesh, Meghalaya, Sikkim, Uttar Pradesh, Uttarakhand and West Bengal) and NEPAL]
- G1 terminal joint long, ca. 0.4 times length of subterminal joint (see Brandis & Sharma 2005: fig. 5C).............................................................................. H. sunkoshiense Brandis & Sharma, 2005 [NEPAL]
9. G1 terminal joint suddenly tapers distally (see Bouvier 1918: fig. 10I).................................................................................................. H. babaulti (Bouvier, 1918) [INDIA (Himachal Pradesh)]
- G1 terminal joint gradually tapers distally (Fig. 3 B).........................................................10
10. Postorbital cristae almost straight (see Pretzmann 1963: pl. 1, fig. 1); male telson with straight lateral margins (see Pretzmann 1963: pl. 1, fig. 4); G1 terminal joint long, ca. 0.3 times combined length of subterminal joint and flexible zone (see Pretzmann 1963: pl. 3, fig. 11)........................................ H. marinellii (Pretzmann, 1963) [INDIA (West Bengal)]
- Postorbital cristae distinctly curved (Fig. 2 A); male telson with concave lateral margins (Fig. 2 C); G1 terminal joint short, ca. 0.2 times combined length of subterminal joint and flexible zone (Fig. 3 A).... H. garhwalense n. sp. [INDIA (Uttarakhand)]
description: Published as part of Pati, S. K. & Singh, S., 2017, A new species of freshwater crab of the genus Himalayapotamon Pretzmann, 1966 (Decapoda, Brachyura: Potamidae: Potaminae) from Uttarakhand, northern India, pp. 191-200 in Zootaxa 4237 (1) on pages 198-199, DOI: 10.11646/zootaxa.4237.1.11, http://zenodo.org/record/322771