"Lower Heterobranchia" (basis of record)
Aclididae G. O. Sars, 1878 accepted as Eulimidae R. A. Philippi, 1853 (source of synonymy)
Acochlidiimorpha (basis of record)
Acochlidioidea Küthe, 1935 (basis of record)
Acteocinidae Dall, 1913 accepted as Tornatinidae P. Fischer, 1883 (source of synonymy)
Acteonidae A. d'Orbigny, 1842 (basis of record)
Acteonimorpha (basis of record)
Aeolidioidea Gray, 1827 (basis of record)
Aplysiida (basis of record)
Aplysioidea Lamarck, 1809 (basis of record)
Archaeogastropoda accepted as Vetigastropoda (status source)
Architectonicidae J. E. Gray, 1850 (basis of record)
Architectonicoidea J. E. Gray, 1850 (basis of record)
Atlantidae Rang, 1829 (basis of record)
Buccinoidea Rafinesque, 1815 (additional source)
Bulloidea Gray, 1827 (basis of record)
Busyconinae Wade, 1917 (1867) (status source)
Caecidae J. E. Gray, 1850 (basis of record)
Calliostomatidae Thiele, 1924 (1847) (basis of record)
Cancellariidae Forbes & Hanley, 1851 (status source)
Cavoliniidae J. E. Gray, 1850 (1815) (basis of record)
Cerithiopsidae H. Adams & A. Adams, 1853 (basis of record)
Chilodontaidae Wenz, 1938 (basis of record)
Choristellidae Bouchet & Warén, 1979 (basis of record)
Chromodorididae Bergh, 1891 (basis of record)
Chromodoridoidea Bergh, 1891 (basis of record)
Cladobranchia (status source)
Cliidae Jeffreys, 1869 (additional source)
Cocculinida (status source)
Colloniidae Cossmann, 1917 (additional source)
Columbellidae Swainson, 1840 (status source)
Creseidae Rampal, 1973 (basis of record)
Cyclostrematidae P. Fischer, 1885 accepted as Liotiidae Gray, 1850 (source of synonymy)
Cymatiidae Iredale, 1913 (taxonomy source)
Cypraeoidea Rafinesque, 1815 (additional source)
Dendronotidae Allman, 1845 (basis of record)
Dendronotoidea Allman, 1845 (basis of record)
Diodorinae Odhner, 1932 (basis of record)
Doridina (basis of record)
Ellobiida (basis of record)
Ellobiidae L. Pfeiffer, 1854 (1822) (basis of record)
Ellobioidea L. Pfeiffer, 1854 (1822) (basis of record)
Emarginulinae Children, 1834 (basis of record)
Eucyclidae Koken, 1896 (basis of record)
Euthecosomata (basis of record)
Euthyneura (basis of record)
Fissurellidae J. Fleming, 1822 (basis of record)
Fissurelloidea J. Fleming, 1822 (basis of record)
Fossarinae A. Adams, 1860 (basis of record)
Gymnosomata (basis of record)
Hermaeidae H. Adams & A. Adams, 1854 (basis of record)
Heterobranchia (additional source)
Heterobranchia (basis of record)
Hydrobiidae W. Stimpson, 1865 (basis of record)
Lamellariinae A. d'Orbigny, 1841 (status source)
Limacinidae Gray, 1840 (basis of record)
Limacinoidea Gray, 1840 (basis of record)
Lymnaeoidea Rafinesque, 1815 (basis of record)
Mangeliidae P. Fischer, 1883 (status source)
Margaritidae Thiele, 1924 (basis of record)
Mathildoidea Dall, 1889 (basis of record)
Melongenidae Gill, 1871 (1854) (status source)
Moelleriinae Hickman & J. H. McLean, 1990 (additional source)
Muricidae Rafinesque, 1815 (basis of record)
Nassariidae Iredale, 1916 (1835) (status source)
Neomphalida (basis of record)
Neomphaliones (basis of record)
Nudibranchia (basis of record)
Nystiellidae Clench & R. D. Turner, 1952 accepted as Epitoniidae S. S. Berry, 1910 (1812) (source of synonymy)
Omalogyridae G. O. Sars, 1878 (basis of record)
Omalogyroidea G. O. Sars, 1878 (basis of record)
Ovulidae J. Fleming, 1822 (basis of record)
Parhedyloidea Thiele, 1931 (basis of record)
Planaxidae J. E. Gray, 1850 (basis of record)
Planorbidae Rafinesque, 1815 (basis of record)
Planorbinae Rafinesque, 1815 (basis of record)
Polyceroidea Alder & Hancock, 1845 (basis of record)
Pseudothecosomata (basis of record)
Pteropoda (basis of record)
Ptychatractidae W. Stimpson, 1865 (basis of record)
Pylopulmonata (basis of record)
Pyramidelloidea J. E. Gray, 1840 (basis of record)
Ringiculidae R. A. Philippi, 1853 (basis of record)
Ringiculimorpha (basis of record)
Ringiculoidea R. A. Philippi, 1853 (basis of record)
Ringipleura (basis of record)
Rissoelloidea Gray, 1850 (basis of record)
Sacoglossa (basis of record)
Seguenziidae A. E. Verrill, 1884 (basis of record)
Seguenziinae A. E. Verrill, 1884 (basis of record)
Seguenziini A. E. Verrill, 1884 (basis of record)
Seguenzioidea A. E. Verrill, 1884 (basis of record)
Semisalsinae Fo. Giusti & Pezzoli, 1980 (basis of record)
Siphonariida (basis of record)
Siphonarimorpha (basis of record)
Skeneidae W. Clark, 1851 (basis of record)
Skeneopsidae Iredale, 1915 (additional source)
Solariellidae A. W. B. Powell, 1951 (basis of record)
Stromboidea Rafinesque, 1815 (basis of record)
Stylommatophora (basis of record)

 Authority

 for Septariidae Jousseaume, 1894

Golikov & Starobogatov (1975) declared this family as new though the true author of this taxon is Jousseaume ... [details]

 Authority

 for Septariidae Jousseaume, 1894

Golikov & Starobogatov (1975) declared this family as new though the true author of this taxon is Jousseaume ... [details]

 Classification

 for Mesocochliopidae X.-H. Yu, 1987 †

Mesocochliopa was originally classified as a genus of Amnicolidae by Yen & Reeside (1946) and was also listed as a ... [details]

 Homonymy

 for Cepolidae Ihering, 1909

Cepolidae Ihering, 1909 is a junior homonym of Cepolidae Rafinesque, 1815 [Pisces]. The case will be referred to ... [details]

 Nomenclature

 for Babyloniidae Kuroda, Habe & Oyama, 1971

Two family-group names are older than Babyloniidae. Swainson based his concept of Eburninae on species of ... [details]

 Nomenclature

 for Cerastua Strand, 1928

Cerastua Strand, 1928 was proposed as a replacement name for Cerastus E. von Martens, 1860 (non Dejean, 1821, ... [details]

 Nomenclature

 for Cerastuidae Wenz, 1930

Cerastuidae was based on Cerastua Strand, 1928, an unnecessary replacement name for Ceratsus E. von Martens, 1860. [details]

 Nomenclature

 for Cionellidae L. Pfeiffer, 1879

When he established Cochlicopidae, Pilsbry (1900) did not justify his action. Later, he (Pilsbry, 1908 [in ... [details]

 Nomenclature

 for Ficus Röding, 1798

Röding listed "Bulla ficus" [Murex ficus Linnaeus, 1758] in the synonymy of Ficus communis Röding, 1798, and ... [details]

 Nomenclature

 for Umboniinae H. Adams & A. Adams, 1854 (1840)

Takes precedence from Rotellinae Swainson, 1840 [details]

 Spelling

 for Anostomopsidae H. Nordsieck, 1986 †

The spelling "Anastomopsidae" as used in the literature is based on Anastomopsis, an incorrect subsequent spelling ... [details]

 Taxonomic remark

 for Orthopoma J. E. Gray, 1868

The genus name Orthopoma was established without any included species, and it appears that none was ever ... [details]

 Taxonomy

 for Siphopsinae Le Renard, 1995 †

Originally proposed as subfamily of Conidae although ranked as "Famille Siphopsinae" [sic] in Pacaud & Le Renard, ... [details]

 Taxonomy

 for Syphopsinae Le Renard, 2005 †

Originally proposed as a subfamily of Conidae, Siphopsinae Le Renard, 1995 is invalid because the type genus type ... [details]

 Taxonomy

 for Triforis Deshayes, 1834

The name Triforis, as used by Deshayes (1834) is an incorrect subsequent spelling of Triphora Blainville, 1828 and ... [details]