Acteocinidae Dall, 1913 accepted as
Tornatinidae P. Fischer, 1883 (status source)
Alacuppa Oskars, Bouchet & Malaquias, 2015 (original description)
Alacuppa supracancellata (Schepman, 1913) (new combination reference)
Alacuppidae Oskars, Bouchet & Malaquias, 2015 (original description)
Bulloidea Gray, 1827 (basis of record)
Cephalaspidea (taxonomy source)
Colinatydidae Oskars, Bouchet & Malaquias, 2015 (original description)
Colpodaspididae Oskars, Bouchet & Malaquias, 2015 (original description)
Cylichnidae H. Adams & A. Adams, 1854 (status source)
Diaphanidae Odhner, 1914 (1857) (status source)
Diaphanoidea Odhner, 1914 (1857) accepted as
Cylichnoidea H. Adams & A. Adams, 1854 (additional source)
Gastropteridae Swainson, 1840 (status source)
Haminoeidae Pilsbry, 1895 (additional source)
Haminoeoidea Pilsbry, 1895 (status source)
Laona A. Adams, 1865 (status source)
Laona quadrata (S. V. Wood, 1839) (new combination reference)
Laonidae Pruvot-Fol, 1954 (status source)
Mnestia villica (A. Gould, 1859) (basis of record)
Mnestiidae Oskars, Bouchet & Malaquias, 2015 (original description)
Notodiaphana Thiele, 1917 (status source)
Notodiaphana fragilis (VĂ©lain, 1877) (status source)
Notodiaphanidae Thiele, 1931 (status source)
Philinidae Gray, 1850 (1815) (status source)
Philinoglossidae Hertling, 1932 (status source)
Philinoidea Gray, 1850 (1815) (taxonomy source)
Philinorbidae Oskars, Bouchet & Malaquias, 2015 (original description)
Retusidae Thiele, 1925 (basis of record)
Rhizoridae Dell, 1952 (status source)
Scaphandridae G. O. Sars, 1878 (status source)