Clusia Haliday, 1839 (Clusiidae: Clusiinae) is redefined, with Amuroclusia Mamaev, 1987 syn. nov. and Paraclusia Czerny, 1903 syn. nov. included as junior synonyms. Melanoclusia gen. nov. is described for the new Malaysian species M. bivibrissa spec. nov. and treated as the sister group to Clusia.