Thelphusula Bott, 1969

Ng, Peter K. L., , Martyn E. Y. Low, Clark, & Paul F., 2022, Historical notes on various collectors of unidentified freshwater crabs (Crustacea: Decapoda: Brachyura) from the Malay Peninsula and Borneo, with descriptions of two new species of Isolapotamon Bott, 1968 Potamidae), Raffles Bulletin of Zoology 70, pp. 550-571 : 561

Genus Thelphusula Bott, 1969

Type species. Potamon (Geothelphusa) buergeri De Man, 1899 .

Remarks. There are 12 recognised species in this Bornean genus ( Ng et al., 2008; Grinang & Ng, 2014; Ng & PYC Ng, 2018); all characterised by their distinctly T-shaped male pleons, elongate and demarcated G1 terminal segments, and short G2s (cf. Tan & Ng, 1998).