Chlamylla borealis orientalis (Volodchenko, 1941), comb. n. ZMMU Op-478. The Sea of Japan, Vostok Bay, 15 mm in length: A living animal, dorsal view B fixed animal, ventral view of anterior part C fixed animal, lateral view D dissected anterior part (pharynx removed) and rhinophores, SEM E jaw, SEM F details of masticatory process of jaw, SEM G details of masticatory process of jaw, light microscopy H radular teeth, posterior part, SEM I reproductive system, SEM. Abbreviations: a anus gf genital fold fgm female gland mass nc continuous notal edge pc penial collar (external) pr prostate ps penial sheath r rhinophores vd vas deferens (muscular part). Scale bars: D = 1 mm; E, I = 300 μm; F = 30 μm; H = 100 μm. Photos and SEM images by A.V. Martynov.