| Species | Name Used |
|---|---|
| Ischnochiton boninensis Bergenhayn, 1933 | Ischnochiton boninensis (p. ) |
| Ischnochiton comptus (Gould, 1859) | Ischnochiton comptus (p. ) |
| Ischnochiton hakodadensis Carpenter, 1893 | Ischnochiton hakodadensis (p. ) |
| Lepidozona albrechtii (Schrenck, 1862) | Lepidozona albrechtii (p. ) |
| Lepidozona coreanica (Reeve, 1847) | Lepidozona coreanica (p. ) |
| Placiphorella atlantica (Verrill & Smith, 1882) | Placiphorella atlantica (p. ) |
| Placiphorella borealis Pilsbry, 1893 | Placiphorella borealis (p. ) |
| Placiphorella stimpsoni (Gould, 1859) | Placiphorella stimpsoni (p. ) |
| Schizoplax brandtii (Middendorff, 1847) | Schizoplax brandtii (p. ) |
| Stenoplax petaloides (Gould, 1846) | Stenoplax petaloides (p. ) |