Nanosesarma species

Trivedi, Vinay P. Padate Krupal J Patel Chandrashekher U. Rivonker Jigneshkumar N., 2022, On Indian species of Nanosesarma Tweedie, 1950 (Decapoda: Brachyura: Sesarmidae), Nauplius (e 2022031) 30, pp. 1-18 : 16

Key to Nanosesarma species from India

1.Cheliped palm dorsal surface with pectinate crest…………………………………………………………2

–Cheliped palm dorsal surface without pectinate crest……………………………………………………3

2. Cheliped palm dorsal surface with 2 oblique pectinate crests and 4 or 5 oblique granular ridges; dactylus dorsalsurfacewithrowof13or14tubercles…………………………………………………… N. andersoni

– Chelipeds palm dorsal surface with 2 oblique pectinate crests and 5 or 6 oblique granular ridges; dactylus dorsalsurfacewithrowof12prominenttransverseridges…………………………………… N. batavicum

3. Male cheliped palm dorsal surface with 3 oblique granulated ridges; dactylus dorsal surface with proximal granular patch…………………………………………………………………………………… N. minutum

– Male cheliped palm dorsal surface unarmed; dactylus dorsal surface either tuberculate or smooth………4

4. Male chelipeds with thick setose patch on entire outer surface of palm extending up to midlength of fingers; dactylus dorsal surface completely tuberculated; telson about 1.60 times as long as wide ………… N. sarii

– Male chelipeds with thick setose patch on entire outer surface of palm extending to proximal portion of fingers; dactylus dorsal surface completely smooth;telson about 0.97 times as long as wide … N. jousseaumei