Osteodiscus cascadiae Stein, 1978. Bonydisk Snailfish. To 8.5 cm (2.6 in) SL (Stein 1978). British Columbia (Stein 1978, Orr et al. 2019a) to Monterey Bay, central California (Stein et al. 2006). Depth: 1,348 –3,500 m (4,421 –11,480 ft) (Stein et al. 2006).