Sixteen species of Phoxichilidiidae were collected from shelf and slope in the Kuril Islands and Commander Islands. They are representatives of four genera: Phoxichilidium (5 species), Anoplodactylus (7), Philyra (3), and Pycnosomia (1 species). The majority of these species are endemic for northwestern part of the Pacific Ocean. Only arctic-boreal Phoxichilidium femoratum, boreal-subtropical Anoplodactylis pygmaeus and boreal amphipacifical Pycnosomia strongylocentroti are widespread species in the Northern Hemisphere. Five species Phoxichilidium tuberungum sp. n., Anoplodactylus tuberculosus sp. n., A. globotuberculosus sp. n., A. viriosus sp. n. and Philyra interjecta sp. n. are described.