Wednesday, September 30, 2020

[Crustacea • 2020] Abortelphusa namdaphaensis • A New Genus and New Species of Freshwater Crab (Decapoda, Brachyura, Gecarcinucidae) from Arunachal Pradesh, India


Abortelphusa namdaphaensis  
Mitra, 2020

 
Abstract
A new genus and species of gecarcinucid crab are described here from the Namdapha Tiger Reserve of Arunachal Pradesh, India; Abortelphusa namdaphaensis gen. et sp. nov. is morphologically distinct from other related genera, like Phricotelphusa Alcock, 1909, Globitelphusa Alcock, 1909, Liotelphusa Alcock, 1909, and in having a discrete suite of characters, i.e., carapace squarish, surface randomly pitted, a wide frontal margin ca. 0.5 times the total carapace width; epigastric cristae rugose, post orbital cristae indiscernible; third maxilliped exopod lacking a flagellum; male pleon narrowly triangular, sixth pleonal somite trapezoidal; terminal segment of male first gonopod subcylindrical, outwardly bent, tip not truncated. The relationship of this new genus and species with other gecarcinucid genera from India is discussed.

Keywords: Taxonomy; Gecarcinucidae; new genus; new species; Namdapha Tiger Reserve; India


Abortelphusa namdaphaensis gen. et sp. nov.


  Santanu Mitra. 2020. Abortelphusa namdaphaensis, A New Genus and New Species of Freshwater Crab (Decapoda, Brachyura, Gecarcinucidae) from Arunachal Pradesh, India. Crustaceana.   93(7); 803–817. DOI: 10.1163/15685403-bja10027