Ctenodiscidae Sladen 1889

Ctenodiscus crispatus, oral viewCtenodiscus crispatus (USNM 3680), collected off Cape Ann, Gloucester Harbor (Centroid Latitude: 42.6333, Centroid Longitude: -70.4750), Massachusetts, U.S.A., North Atlantic Ocean, by the R. V. Speedwell, from a depth range of 110 to 124 m.

Ctenodiscus crispatus, aboral viewCtenodiscus crispatus (USNM 3680), collected off Cape Ann, Gloucester Harbor (Centroid Latitude: 42.6333, Centroid Longitude: -70.4750), Massachusetts, U.S.A., North Atlantic Ocean, by the R. V. Speedwell, from a depth range of 110 to 124 m.