Sundathelphusa Bott, 1969

Ng, Oliver K. S. Chia Peter K. L., 2006, The Freshwater Crabs Of Sulawesi, With Descriptions Of Two New Genera And Four New Species (Crustacea: Decapoda: Brachyura: Parathelphusidae), Raffles Bulletin of Zoology 54 (2), pp. 381-428 : 418

publication ID	https://doi.org/ 10.5281/zenodo.13245646
DOI	https://doi.org/10.5281/zenodo.13246131
persistent identifier	https://treatment.plazi.org/id/03DF1C3D-FF82-FF8E-7CF1-FDE1FBB3F961
treatment provided by	Felipe
scientific name	Sundathelphusa Bott, 1969
status

Treatment

Sundathelphusa Bott, 1969 View in CoL

Sundathelphusa Bott, 1969a: 363 View in CoL .

Archipelothelphusa Bott, 1969a: 363 View in CoL .

Type species. – Potamon (Geothelphusa) cassiope De Man, 1902 , by original designation.

Remarks. – The genus Sundathelphusa Bott, 1969 , currently contains some 28 species from Philippines, Sulawesi, Moluccas and eastern Borneo (Ng & Stuebing, 1989; Ng, 1991b; Ng & Sket, 1996; Takeda & Ng, 2001). Although Bott (1969a, 1970c) regarded Archipelothelphusa Bott, 1969 (type species Thelphusa grapsoides H. Milne Edwards, 1853 ) as distinct from Sundathelphusa Bott, 1969 (type species Potamon (Geothelphusa) cassiope De Man, 1902 ), Ng & Sket (1996) argued that there are no clear differences which can be used to distinguish the two and consequently synonymised them. Most of the known species are from the Philippines, although there are still a good number of undescribed species from there (unpublished data). There are only two known species from northeastern Borneo ( S. aspera Ng & Stuebing, 1989 , S. tenebrosa Holthuis, 1979 ), with two others from the Moluccas ( S. aruana ( Roux, 1911) , S. halmaherensis (De Man, 1902)) . Sulawesi has only three known species thus far, viz. S. cassiope (De Man, 1902) , S. minahassae ( Schenkel, 1902) , and S. rubra ( Schenkel, 1902) . A fourth species is now being described from Lake Poso (Schubart & Ng, in press).

The present exercise provides just a synopsis of the three species now known from Sulawesi, which will help workers identify the species there. A more detailed study and analysis is not done now as this will be conducted at a later date when the whole genus is revised and reappraised to assess its composition and homogeneity. Since the bulk of the species are from the Philippines, this can only be done after the fauna there is better understood.