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 Stoliczia rafflesi ( Roux, 1936 ) Potamon ( Potamiscus ) rafflesi Roux, 1936: 33 , text-figs. 3, 5, pl. 13, figs. 3, 4. Material examined. 2 males , 3 females ( NHM 1906.2.27.3– 6), Peninsular Malaysia : Pahang : Gunung Tahan, coll. Gunong Tahan Expedition , May–September 1905 ). Remarks. Roux (1936) described this species from Gunung Tahan in Pahang , the highest mountain on Peninsular Malaysia . Ng (1988: 76) clarified that material reported to be this species from a nearby peak, Gunung Padang in Terengganu by Bott (1966 , 1970 ), belonged to a separate species and named it S. changmanae ( Ng, 1988 ) (see also Ng, 1991 ).