Gastropoda Cuvier, 1797
Delphinulopsis Laube, 1870
Haliotimorpha Blaschke, 1905
Marmolatella Kittl, 1894
Paradelphinulopsis Blodgett, Fryda & Stanley, 2001
Platychilina Koken, 1892
Schwardtopsis
Spinidelphinulopsis Blodgett, Fryda & Stanley, 2001
Wallowanerita Blodgett, Fryda & Stanley, 2001
