Saturday, February 4, 2017

[Crustacea • 2016] Terrapotamon longitarsus • A New Species of Long-legged Terrestrial Terrapotamon Ng, 1986 (Brachyura: Potamidae) from Limestone Formations in Satun, southern Thailand


Terrapotamon longitarsus   
Lheknim & Ng, 2016


Abstract

A new species of terrestrial potamid crab, Terrapotamon longitarsus, is described from limestone hills in Satun Province in southern Thailand. It is easily distinguished from other Terrapotamon species by its conspicuously long ambulatory legs (all congeners have proportionately short legs), relatively smooth dorsal surface of carapace, transversely narrow male thoracic sternites 1–4, and a characteristically structured male first gonopod.

Keywords: Crustacea, comparative morphology, freshwater crab, Indochina, new species, Southeast Asia, systematics



photos: Ronnaphon Engchuan




Vachira Lheknim and Peter K.L. Ng. 2016. A New Species of Long-legged Terrestrial Terrapotamon Ng, 1986 (Crustacea: Brachyura: Potamidae) from Limestone Formations in Satun, southern Thailand.
Zootaxa. 4200(1); 143–152. DOI: 10.11646/zootaxa.4200.1.6

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