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Parath convex 060324-4042 ckup.jpg
Parathelphusa convexa from Bogor
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Infraorder: Brachyura
Superfamily: Gecarcinucoidea
Family: Parathelphusidae
Alcock, 1910 [1]

40: see text

Arachnothelphusa rhadamanthysi
Cave crab, Borneo

Parathelphusidae was formerly considered as a family of freshwater crabs mainly in South and Southeast Asia, but also found elsewhere in Asia and in Australia. The family is now considered as a junior synonym of the family Gecarcinucidae, with subfamily Parathelphusinae.[2]

The Parathelphusidae inhabit rivers, lakes and rice paddies. Some species, for example from the genus Somanniathelphusa, are locally important as food, particularly in Thailand where they are an important ingredient in som tam. Some others are very rare and close to extinction.

Genera in this family are:[3]


  1. ^ "Parathelphusidae Alcock, 1910". Integrated Taxonomic Information System. Retrieved October 15, 2011. 
  2. ^ "Gecarcinucidae {family}". Barcode of Life Systems (BOLD). Retrieved 5 June 2016. 
  3. ^ P. K. L. Ng, D. Guinot & P. J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286. 

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