© by the Palaeontological Society of Japan Additions to Cretaceous decapod crustaceans from Hokkaido,

Abstract. Four new species of decapod crustaceans are described from the Upper Cretaceous Upper Yezo Group in Hokkaido, Japan. The monotypic genus Paki (Thalassinidea, Micheleidae) is erected with P. rurkonsimpu sp. nov. Hoploparia kamuy sp. nov. (Astacidea, Nephropidae) repre-sents the first record of the genus Hoploparia from the Turonian-Santonian of Japan. Luisogalathea gen. nov. (Anomala, Galatheidae), erected with the type species L tomitai sp. nov., contains two North American Cretaceous species, Galathea cretacea Stenzeland Eomunidopsis cobbani Bishop. Eomunidopsis kojimai sp. nov. (Anomala, Galatheidae) represents the first record of the genus from the North Pacific realm