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) Author Ng, Peter K. L. Author , Martyn E. Y. Low Author Clark, Author Paul F. text Raffles Bulletin of Zoology 2022 2022-12-12 70 550 571 journal article 10.26107/RBZ-2022-0031 2345-7600 13256876 633217F0-3D8F-478B-B300-5AABADEB3066 Genus Lepidothelphusa Colosi, 1920 Type species. Potamon ( Geotelphusa ) cognettii Nobili, 1903 . Remarks. Lepidothelphusa was long believed to be represented by only one species, L. cognettii , described from Mount Penrissen in southern Sarawak ( Nobili, 1903a ; Colosi, 1920 ). Grinang & Ng (2015a) revised the genus and described five new species from Sarawak .