Gastropoda Cuvier, 1797
Anomalomya Cossmann, 1887
Boselliidae Ev. Marcus, 1982
Caliphyllidae Tiberi, 1881
Candinia le Renard, Sabelli & Taviani, 1996
Costasiellidae Clark, 1984
Cylindrobullidae Thiele, 1931
Elysiacea
Elysiidae Forbes, 1851
Gougerotia Le Renard, 1980
Hermaeidae H. & A. Adams, 1854
Juliidae E. A. Smith, 1885
Limapontiidae Gray, 1847
Oleidae Thiele, 1926
Oxynoidae H. Adams & A. Adams, 1854
Platyhedylidae Salvini-Plawen, 1973
Polybranchiidae
Santia
Squamalinia
Stiligeridae
Volvatellidae Pilsbry, 1895
