• Benthodolium abyssorum Verrill & S. Smith [in Verrill], 1884 accepted as Oocorys sulcata P. Fischer, 1884
• Benthodolium pacificum Dall, 1896 accepted as Oocorys verrillii (Dall, 1889)
• Cassidaria bistriata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria bucquoyi Locard, 1886 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria cingulata Lamarck, 1822 accepted as Linatella caudata (Gmelin, 1791)
• Cassidaria cingulifera Hoernes & Auinger, 1884 † accepted as Eudolium subintermedium (d'Orbigny, 1852) †
• Cassidaria dautzenbergi Locard, 1886 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria depressa Philippi, 1844 accepted as Galeodea rugosa (Linnaeus, 1771)
• Cassidaria deshayesii Duval, 1841 accepted as Fusimorio deshayesii (Duval, 1841)
• Cassidaria echinophora (Linnaeus, 1758) accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora coronata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora ingens Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. adriatica Mascarini, 1884 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. densetuberculata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. dentata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. dilatata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. dubia Cerulli-Irelli, 1911 accepted as Galeodea rugosa (Linnaeus, 1771)
• Cassidaria echinophora var. globosa Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. globosocordonata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. minima Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. multituberculata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. mutica Tiberi, 1863 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. obsoleta Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. solida Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. subdiadema Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria echinophora var. subnodulosa Bucquoy, Dautzenberg & Dollfus, 1882 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria javana K. Martin, 1879 † accepted as Eudolium crosseanum (Monterosato, 1869)
• Cassidaria laevigata G. B. Sowerby I, 1850 † (taxon inquirendum)
• Cassidaria minbuensis Noetling, 1895 † accepted as Fusimorio minbuensis (Noetling, 1895) †
• Cassidaria plicata Calcara, 1840 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria pliocenica Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria pseudobistriata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria scilla Risso, 1826 † accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria striata Lamarck, 1816 accepted as Sconsia grayi A. Adams, 1855
• Cassidaria sulcata Hutton, 1873 † accepted as Galeodea sulcata (Hutton, 1873) †
• Cassidaria tuberculata Risso, 1826 † accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidaria tyrrhena (Gmelin, 1791) accepted as Galeodea rugosa (Linnaeus, 1771)
• Cassidaria tyrrhena atlantica Settepassi, 1970 accepted as Galeodea rugosa (Linnaeus, 1771)
• Cassidaria tyrrhena dentata Settepassi, 1970 accepted as Galeodea rugosa (Linnaeus, 1771)
• Cassidaria tyrrhena elongata Settepassi, 1970 accepted as Galeodea rugosa (Linnaeus, 1771)
• Cassidaria tyrrhena soluta Settepassi, 1970 accepted as Galeodea rugosa (Linnaeus, 1771)
• Cassidaria uniseriata Settepassi, 1970 accepted as Galeodea echinophora (Linnaeus, 1758)
• Cassidea (Semicassis) brasili Cossmann & Pissarro, 1905 † accepted as Cassis brasili (Cossmann & Pissarro, 1905) †
• Cassidea bandata Perry, 1811 accepted as Phalium bandatum (Perry, 1811)
• Cassidea bituminata K. Martin, 1933 † accepted as Galeodea bituminata (K. Martin, 1933)
• Cassidea canaliculata Bruguière, 1792 accepted as Semicassis canaliculata (Bruguière, 1792)
• Cassidea cernica (G. B. Sowerby III, 1888) accepted as Casmaria cernica (G. B. Sowerby III, 1888)
• Cassidea crumena Bruguière, 1789 accepted as Cypraecassis testiculus (Linnaeus, 1758)
• Cassidea fasciata Bruguière, 1792 accepted as Cassis tessellata (Gmelin, 1791)
• Cassidea granulosa Bruguière, 1792 accepted as Semicassis granulata (Born, 1778)
• Cassidea labiata Perry, 1811 accepted as Semicassis labiata (Perry, 1811)
• Cassidea multisecta Finlay, 1924 accepted as Semicassis pyrum (Lamarck, 1822)
• Cassidea perryi Iredale, 1912 accepted as Casmaria perryi (Iredale, 1912)
• Cassidea royana Iredale, 1914 accepted as Semicassis royana (Iredale, 1914)
• Cassidea saburon Bruguière, 1792 accepted as Semicassis saburon (Bruguière, 1792)
• Cassidea sinuosa Verco, 1904 accepted as Semicassis sinuosa (Verco, 1904)
• Cassidea stadialis Hedley, 1914 accepted as Semicassis pyrum (Lamarck, 1822)
• Cassidea strigata Shirley, 1911 accepted as Phalium glaucum (Linnaeus, 1758)
• Cassidea sulcosa Bruguière, 1792 accepted as Semicassis undulata (Gmelin, 1791)
• Cassidea tuberculata Fischer von Waldheim, 1807 accepted as Argobuccinum pustulosum ([Lightfoot], 1786)
• Cassis (Bezoardica) wyvillei R. B. Watson, 1886 accepted as Echinophoria wyvillei (R. B. Watson, 1886)
• Cassis (Casmaria) thomsoni Brazier, 1876 accepted as Semicassis thomsoni (Brazier, 1876)
• Cassis (Casmaria) turgida Reeve, 1848 accepted as Casmaria turgida (Reeve, 1848)
• Cassis (Casmaria) turgida var. unicolor Pallary, 1926 accepted as Casmaria unicolor (Pallary, 1926)
• Cassis (Casmaria) vibexmexicana Stearns, 1894 accepted as Casmaria erinaceus (Linnaeus, 1758)
• Cassis (Cassidea) haueri Hoernes & Auinger, 1884 † accepted as Echinophoria haueri (Hoernes & Auinger, 1884) †
• Cassis (Cassis) cornuta (Linnaeus, 1758) represented as Cassis cornuta (Linnaeus, 1758)
• Cassis (Cassis) flammea (Linnaeus, 1758) represented as Cassis flammea (Linnaeus, 1758)
• Cassis (Cassis) madagascariensis Lamarck, 1822 represented as Cassis madagascariensis Lamarck, 1822
• Cassis (Cassis) norai Prati Musetti, 1995 represented as Cassis norai Prati Musetti, 1995
• Cassis (Cassis) tessellata (Gmelin, 1791) represented as Cassis tessellata (Gmelin, 1791)
• Cassis (Cassis) tuberosa (Linnaeus, 1758) represented as Cassis tuberosa (Linnaeus, 1758)
• Cassis (Hypocassis) abbotti Bouchet, 1988 represented as Cassis abbotti Bouchet, 1988
• Cassis (Hypocassis) fimbriata Quoy & Gaimard, 1833 represented as Cassis fimbriata Quoy & Gaimard, 1833
• Cassis (Hypocassis) kreipli H. Morrison, 2003 represented as Cassis kreipli H. Morrison, 2003
• Cassis (Hypocassis) nana Tenison Woods, 1879 represented as Cassis nana Tenison Woods, 1879
• Cassis (Hypocassis) patamakanthini Parth, 2000 represented as Cassis patamakanthini Parth, 2000
• Cassis (Morionella) lelongi Gain, Belliard & Le Renard, 2017 † represented as Cassis lelongi Gain, Belliard & Le Renard, 2017 †
• Cassis (Morionella) nigellensis Gain, Belliard & Le Renard, 2017 † represented as Cassis nigellensis Gain, Belliard & Le Renard, 2017 †
• Cassis (Morionella) parfouruorum Gain, Belliard & Le Renard, 2017 † represented as Cassis parfouruorum Gain, Belliard & Le Renard, 2017 †
• Cassis (Semicassis) brasili (Cossmann & Pissarro, 1905) † represented as Cassis brasili (Cossmann & Pissarro, 1905) †
• Cassis (Semicassis) fortisulcata E. A. Smith, 1904 accepted as Semicassis umbilicata (Pease, 1861)
• Cassis (Semicassis) tegalensis K. Martin, 1899 † accepted as Linatella caudata (Gmelin, 1791)
• Cassis abbotti Bouchet, 1988
• Cassis abbreviata Lamarck, 1822 accepted as Semicassis granulata (Born, 1778)
• Cassis achatina Lamarck, 1816 accepted as Semicassis labiata (Perry, 1811)
• Cassis achatina var. inornata Pilsbry, 1895 accepted as Semicassis inornata (Pilsbry, 1895)
• Cassis adansoni Locard, 1886 accepted as Semicassis saburon (Bruguière, 1792)
• Cassis adcocki G. B. Sowerby III, 1896 accepted as Semicassis adcocki (G. B. Sowerby III, 1896)
• Cassis aeneae Brongniart, 1823 † accepted as Cassis thesei Brongniart, 1823 †
• Cassis africana Fulton, 1930 accepted as Semicassis craticulata (Euthyme, 1885)
• Cassis alba Perry, 1811 accepted as Cassis flammea (Linnaeus, 1758)
• Cassis alea Röding, 1798 accepted as Phalium areola (Linnaeus, 1758)
• Cassis areola (Linnaeus, 1758) accepted as Phalium areola (Linnaeus, 1758)
• Cassis bellardii Michelotti, 1847 †
• Cassis bezoar Gray, 1839 accepted as Phalium glaucum (Linnaeus, 1758)
• Cassis bicarinata Jonas, 1839 accepted as Cassis fimbriata Quoy & Gaimard, 1833
• Cassis bicarinata var. decresensis Hedley, 1923 accepted as Cassis fimbriata Quoy & Gaimard, 1833
• Cassis bicincta Bayer, 1935 accepted as Cypraecassis testiculus (Linnaeus, 1758)
• Cassis bisulcata Schubert & J. A. Wagner, 1829 accepted as Semicassis bisulcata (Schubert & J. A. Wagner, 1829)